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SC developer Brent Holowka (BackAssward) has passed away
18 October, 2015 | by Sven Viking

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Brent Holowka, known as BackAssward on the forums, passed away on October 9th, 2015. He was 37 years old. The exact cause of death was unknown at the time his wife contacted us, but the ER doctor put down coronary.

Brent helped with testing, planning and programming on Sven Co-op in addition to several miscellaneous tasks. More importantly, he was a great guy who genuinely cared about other team and forum members. I enjoyed his company, and he'll definitely be missed by myself and the community here. While it of course provides no consolation, the team intends to dedicate the 5.0 release to him.

Our thoughts and deepest sympathies go out to Brent's wife, who is naturally the most affected by this tragedy. Condolence messages posted in the comments will be passed on to her, but if you need to get in direct contact for any reason, please let us know.

Sven Co-op Closed Beta Test Signup has Begun!
29 August, 2015 | by AdamR

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Sven Co-op Closed Beta Test Signup has Begun!

Apologies for the slight delay, but we are now ready to receive your beta test applications! If you follow the link below you will find the sign up form along with a list of requirements that we have for our beta testers. The sign up will close on Saturday, September 5th at 12:00 PM EDT (Convert Time), so sign up before it's too late! At the end of the sign up period, you will receive an email telling you if you were accepted into the beta test.

Rules of signing up

  • 1 sign up per person, you may NOT sign up for other people
  • You must have an account on the official Sven Co-op forums
  • You must have a Steam account
  • You must be over 16 years old
  • You must be proficient in English, preferably fluent
  • You will be expected to participate in group testing and report any issues you find to the official Sven Co-op forums

We've had a lot of forum registrations since we announced the closed beta, but only 50 beta keys are available. This means that not everyone currently expecting a beta key will get one.

Remember that you are expected to actively participate in a reasonable number of test sessions set up. You are not signing up just to download the game early and waddle about for a bit then disappear. With the limited number of keys available we will certainly revoke any unused ones for others more deserving.

Sign Up Form Here


Closed Beta Testing Announcement, Classic Mode for Half-Life Single Player, & Current Changelog
22 August, 2015 | by Sniper

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Closed Beta Testing Announcement

We're excited to announce that we will soon begin closed beta testing on Steam. We're looking for 50 dedicated gamers to join us in our testing sessions and to provide us with valuable feedback. An application form will be available next Saturday, August 29th at 12:00 PM EST (Convert time) so please mark your calendars! Sign up will close on Saturday, September 5th at 12:00 PM EST.

The fine print: Not everyone who applies will be selected. You must be at least 16 years of age to apply, have a valid Steam Account (you must provide us with your Steam ID), and have a valid Sven Co-op Forum account - sign up on our message forums ( if you haven't already! Additional requirements include participation (if selected) - inactive applicants will be removed to give others a fair chance. Please avoid emailing us to request access to the closed beta test - direct requests will be ignored.


Classic Mode for Half-Life Single Player

One of the more notable features coming in the Steam release is "Classic Mode" for the Half-Life single player co-op campaign. It's a special mode that will revert things like weapons and various gameplay mechanics to classic Half-Life. Some things won't be reverted (e.g. Co-operative changes to Barnacles, Player Medkits, the Gargantua's ability to feast on Players, etc.). We'll continue to refine this mode after receiving feedback from the community.


Current Changelog

Here's the current changelog in case you're wondering what we've been up to these past few months. We've made a decent amount of progress so far. The team has fixed countless numbers of crash bugs, memory allocation problems, engine issues, and provided a large assortment of new enhancements & features.

Current Changelog (August 22, 2015)

If you have any questions, feel free to post in the message forums. We'll continue to post more updates as we get closer to releasing on Steam. Have a good weekend!


The maps of 5.0.
18 May, 2015 | by Nih

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Today we would like to present the new maps arriving with version 5.0 of Sven Co-op, as well as a major map update. We hope what you see will be to your liking.

Desert Circle
Created by the-middleman, this map places the players in a wide-open desert where they must infiltrate a heavily defended castle and kill the king inhabiting it. The players must select a class and then sneak around in trenches outside the castle, hiding from snipers, and capturing flags along the way.

Black Mesa: Special Tactics Sector
In this brand new map by Trempler, players are divided into 4 teams who must build up a force of NPCs to fight the other teams' NPCs in various arenas. The teams can upgrade their NPCs using points gained automatically over time or received by winning rounds. The teams also gain points in random bonus rounds where the players must fight each other in the arenas themselves. In these bonus rounds, points are sometimes scored purely by killing other players, but occasionally they also have objectives, such as retrieving certain objects for extra points.

Fortified 1: Assault on Death Station
In this level by Nih, the players must assault a space station/death station constructed by an insane Super Scientist. One player assumes the role of a commander who is provided with an overhead view of the map. The commander selects which weapons and items to equip players with, calls in airstrikes, spawns allied reinforcements, and generally guides the players in their mission. The remaining players must work together to hack terminals on the death station to gain rewards and delay the activation of a doomsday weapon.

Reverse Turret Fortress
A major update has been prepared for the Turret Fortress level by Nih, which showcases the new item_inventory feature. A new gamemode called "Reverse Turret Fortress" is now available for players to choose on map start, and this gamemode is essentially the opposite of the original turret defense gamemode. The players must now assault the fortress themselves, and they must do this by carrying a flag to 4 checkpoints, while protecting the carrier against enemy guards and turrets. The players are able to damage the fortress defenses or otherwise gain advantages by infiltrating the fortress and using certain items inside, such as an EMP device to disable turret construction. The players must also choose between a selection of different classes.

That's it for now. Many other smaller map updates have also been prepared for 5.0, and you can view some of them in the changelog we posted last year. Many changes have been made to the game since the posting of that changelog, however, and there will probably be a few other map-related surprises later on... If you want, you can play both Desert Circle and Fortified already, by downloading them from our Map Showcase forum. Both of the maps have been improved for the 5.0 release.


Scorched Battalion
16 May, 2015 | by Sven Viking

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Update: Scorched Battalion was just selected as a finalist, which means it'll be played by a panel of unusually impressive judges including John Carmack! It was also featured here.

Hi all,

As some of you know, I've been having some neck problems over the past 2+ years which have made it difficult to use a computer for any substantial length of time. Last month things began to improve after some changes in physiotherapy etc., and I recklessly entered this Game Jam, expecting to most likely need to drop out part-way.

Things went unusually well, though. My neck actually continued to improve as the contest progressed and, together with my two brothers, I was able to complete something more ambitious than I'd initially thought possible. My neck even stood up to some 20 hour days towards the end of the contest, when 20 minutes had previously been problematic. I'm pretty happy about that.

Scorched Battalion is a virtual-reality artillery game with a twist. If you happen to have an Oculus Rift or Samsung Gear VR headset, you can try it yourself using one of the links on this page. A video is also available, here. Community voting is currently open, so don't forget to vote for your favourite entry if appropriate :). The voting link is on the right -- if it asks you developer questions, you can scroll to the bottom and click "I'm a voter" to skip them.

A news post with new Sven Co-op 5.0 information is coming very, very shortly, so be sure to check back soon. Best wishes to all of you, and to the team, who have been putting a huge amount of effort into getting 5.0 released!



Rapid Aggressive Darwinism
4 April, 2015 | by Hezus

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The other day we announced our new feature 'Sven Co-op Monster Mix (tm)'. While we were very excited with the first round of playtests we encountered a slight problem. Within a few hours we started noticing that certain combinations appeared more often than others and after a day of playing, the variations of monsters started to decrease more and more. It appears our system suffers of Rapid Aggressive Darwinism. With every 'evolution' a certain species becomes more dominant until it infested nearly every monster and eventually took over the entire system.

We could have never guessed it but the species in question was:

The Snark!
The Snark!

As we speak, the development version of Sven Co-op is made up for 95% of Snark. Chubby ratings are down by 37%! Therefore we have decided to pull the plug on the 'Sven Co-op Monster Mix(tm)' feature. It's the only way to stop the epidemic from spreading. Hopefully we'll be able to redesign the system by next year around the first of april.


Sven Co-op Monster Mix
1 April, 2015 | by Hezus

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Feature-hungry people rejoice! After announcing a ton of new features in the last months (item_inventory, Survival Mode and Angelscript) we bring you yet another feature for the upcoming release! Today we'd like to present to you:

Sven Co-op Monster Mix (tm)

What is SCMM(tm)?

We realised that, even with our 40 different types of monsters, combat might become a bit stale after playing Sven Co-op for over 15 years. To counter that we came up with a revolutionary system which combines different aspects from different monsters into one new foe! The system combines up to 3 different aspects into a new monster so the amount of monsters we'll feature in Sven Co-op 5.0 Final is virtually limitless*! And the best part is: generating the monster happens completely at random, so you can never guess which enemy you will face next! This way every round you play is different and exciting!

Meet the SCMM(tm) Family!

Because it's hard to imagine the awesomeness of this new feature we'd like to introduce a few examples of Mixed Monsters(r). Note that the chances of you encountering one of these random creations is extremely rare (roughly 1/3 of the enemies), so you'd best enjoy looking at these as long as you can.

SCMM(tm) works for you!

Are you excited to face your first Torgantua? Or fight that Robocoptermedic? In the new release of Sven Co-op you can! And don't worry about themed maps. During playtests, we even experienced that the aesthetic value of the new models was far higher than their regular counterparts! They automatically blend in with the theme of the map**!

Now it's your turn!

What type of monster would you like to face in Sven Co-op Monster Mix(tm)? Leave your ideas in the comments below!

* well, almost..
** well, kind of..

On a sidenote, we are unhappy to announce that func_vent will not be ready for version 5.0. Our programmers and artists are hard at work and we expect the feature to be ready next year...


v5.0 Final Development Phase Reached
22 March, 2015 | by JPolito

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Greetings Svencoopers and other Interested-In-Sven-People!

Today we would like to announce that we have reached a new stage in the development of version 5.0. A short time ago we ceased adding new features to the game and are instead focusing on sorting out a handful of issues that are preventing the game from being as good as we want it to be. Henceforth, we'll be putting the last bit of polish on the game. Nih tried to write this as a run-on sentence but I would not let him.

We would also like to take this opportunity to reveal a bit more about what's in store for version 5.0 (The first version of Sven Co-op on Steam, available at no cost!):

One of the things we have been hard at work on is a complete rework of the Half-Life 1 co-op conversion. The new conversion will be much closer to the original Half-Life experience, with fewer Sven Co-op specific additions that ruined the original atmosphere of Half-Life. Many of the levels have also been merged, which allows for far less frequent map loading sequences, and player health and loadouts will be carried over between levels. The Half-Life co-op campaign has also been chosen to showcase a new major addition to the game: Survival Mode. When Survival mode is active, players who die will be respawned as 'observers', who observe the game in progress and will only be able to return once the living players have reached a checkpoint or until someone revives them. The result is an experience much more similar to Half-Life Singleplayer, where players can lose the level and must reload to try again. A video demonstrating Survival Mode and the checkpoint system can be see below.

Survival Mode has been scripted using AngelScript and the new 'Observer Mode' feature, and can be added easily to any level by loading the HLSP map script and adding the necessary checkpoint entities to the level. Alongside HLSP, several other official levels in the game have also been chosen to showcase Survival mode. Server operators are able to disable or enable the feature at will using a CVAR, allowing players to continue playing HLSP and other Survival Mode maps with the classic 'infinite respawn' mode typical of levels in our previous game versions.

We are seriously looking forward to seeing what kinds of creative game modes level designers will come up with using AngelScript and the long-awaited Observer Mode feature. And we'll try to keep you all updated as much as we can while we work ceaselessly to finally push this version out onto your doorsteps.


v5.0 Update
27 November, 2014 | by Nih

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Remember that news update we promised to deliver many weeks ago? Of course you don't, but in case you do, we are sorry. We ran out of Ritalin for our trained team of monkeys who write our news updates, and the only one who could hold his concentration long enough to write a news update was our top monkey Nih, who is writing right now. In this small update we would like to just go over a couple of the new features that are in store for 5.0. First on the table is Toon Run. Its creator Koelzk, has returned to give this beloved map series a makeover. Some areas have been reworked and some areas are completely new. And there are some pretty imaginative ideas. We're not going to spoil the entire surprise, but we are going to show you a couple of screenshots:

Next on the table is "item_inventory". This game entity can be seen in the change log we posted earlier, but we would like to introduce it a bit more. To this purpose, AdamR has recorded a video where he demonstrates some of the possible uses, seen below. We hope to be able to demonstrate how this feature can be used in a real map in our initial release.

That is all for now. We hope to be able to deliver another news update at some unspecified point in the near-to-far future. Perhaps before Christmas?.. Scratch that, let's just say near-to-far future.


v5.0 Progress Report
27 September, 2014 | by Sniper

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As we inch closer to launching Sven Co-op on Steam, I'd like to provide an update on our progress with the game. Since this upcoming release is important for us to get right, we've been taking extra time over the past few months to really get our ducks in a row. Even so, our team members have run into delays from real-life. However, now that summer is over, things are picking up again. The team has been working full-force on getting major milestones accomplished for the launch.

I'm going to discuss a few upcoming major features in v5.0. These aren't all of our upcoming features, but they will be fairly important to v5.0's release. Please bear in mind that we will be continuously updating the game after v5.0 is complete.

Upcoming Major Features in v5.0

The Angelscript Scripting Language

Sven Co-op v5.0 will feature the Angelscript scripting language. Angelscript is a powerful scripting language which models itself around the C/C++ language, minus the memory management headaches. If you're good at programming C, C++, Javascript, PHP, or other similar languages out there, you can jump right in.  

That said, this is the most groundbreaking feature coming to the next release. If you're wondering what the big deal is - well, let me explain by providing the following video:

Well, there you have it. It's that big of a deal.

Okay, so, now you're wondering what this will allow for... 

Map Scripting

Angelscript will allow mappers to change almost every aspect of the game. It's possible to create game entities, implement new styles of gameplay, trigger events, process and control NPCs, and much more. Each map will have the potential to be a "mod within a mod" allowing for the ultimate level of customization. 

Server Plugins

In v5.0, we will be bundling our own server administration toolset. A set of official plugins will be provided, but you can write your own using Angelscript. If you've ever used AdminMod or AMX Mod X, the transition should be pretty easy to follow. While it will be experimental at launch, we will eventually be recommending Server Administrators switch over to this new toolset as we stabilize on functionality and features. Sven Co-op's server administration toolset will have more integration points with the game, which should allow for the creation of more interesting and useful plugins. 

We've made a lot of progress getting Angelscript up and running with all thanks to our new programmer Sam "SoloKiller" Vanheer. Sam joins the programming team after being an active beta tester for many years. His current primary role is technical lead for Angelscript.

I personally look forward to seeing what the community can do with these new found powers.  We'll have more information regarding Sven Co-op's scripting documentation in the future, but for now I would recommend you start browsing the scripting language overview here to get an idea.


Scaled Model Support

NPCs can now be scaled during the game at any time. The AI and the Half-Life engine have been updated to account for scaling of hitboxes, eye positions, collision hull sizes, effect locations, and more. If you scale an NPC up, they'll be able to see over obstacles, move faster, and jump down from greater heights (because they're giants). If you scale an NPC down, they'll be able to get into smaller areas, find cover from shorter objects, and move slower (because they're tiny). Basically, scaling an NPC up or down has inherent advantages and disadvantages which will make for some interesting gameplay. We look forward to seeing what the community makes with it!


Streamlined Difficulty Settings & Modifiable Entity Attributes

We've heard things loud and clear from the community. We're in the process of addressing difficulty levels with NPCs and Players. We've cut out the fat from the skill system and added a few new features in the process.

Half-Life's numerous skill values for each NPC made balancing a difficult task. To address this, we've removed the "skill 1", "skill 2", and "skill 3" settings from the core skill configuration file. For older levels that relied on these custom skill values, they will continue to work through a backwards compatibility design that relies on the map's specified skill level. Furthermore, "skill levels" can continue to be used if the map author wishes for their map.

In the process of updating the skill system to be more streamlined and fair, we have added new values to existing game entities (mainly for NPCs).  Each entity will gain the ability to change their damage values in real-time through the use of per-entity attribute settings. Since each NPC or Weapon can have their own unique damage values, this allows for all sorts of gameplay possibilities.

A few quick examples could be:

  • Attack waves / tower defense (difficulty increases each wave)
  • Boss monsters
  • Class based weapons - Players of a certain class might spawn with the same weapon as their team mate, but have a higher degree of accuracy and/or damage.
  • Tech trees - Individual players can research upgrades that increase or decrease damage and health.

Current Changelog

Without further ado, here is our preliminary v5.0 changelog. We'll post a more up-to-date version of the changelog as we get closer to launch.


If you have any questions or comments, feel free to post in the forums.

Be sure to check back next week for more updates on v5.0. We have a few more things in store.


Community Feedback on SC2 release
2 April, 2014 | by JPolito

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Yesterday we've released our original design document for Sven Co-op II along with an early build of the work that had been done back in 2005. We expected our fans to be happy with the given information on something they've been waiting for since 2003.

We were right. The fans were pleased. Very pleased even. But not in the way we imagined. Shortly after the news post our email inbox overflowed with e-mails from SC fans. I'd like to quote some of them:

"Thank God you guys never finished that project! Those ideas made my eyes bleed!"
"u guys 4 real? 0_o that supposed to be SC2?"
"When I read you were going to add FUNC_VENT to the MOD I was thrilled but then I read the rest and it's just pure crap! Good thing this was never released!"

It seems our ideas for SC2 were not that well received by the public. In hindsight, putting Rick Astley into the game might have been a bit too much. We're going back to the drawing board for our concept document of Sven Co-op for Half-Life 3. Be sure to check this website again somewhere around 2029!

In other news, development on the original Sven Co-op continues steadily! A new version of Sven Co-op on our own modified Goldsource engine will definitely be released earlier than 2029, so don't forget to visit this page regularly!


Half-Life 2 turns 10! Sven Co-op releases SC2 build!
1 April, 2014 | by Hezus

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In 2004 Valve released the long awaited sequel to one of the most popular game franchises in history: Half-Life! Half-Life in its turn gave birth to incredible games and MODs such as our own little corner of the universe: Sven Co-op! Back in 2003 the first plans for a Source version of Sven Co-op were discussed and over the next 2 years SC released several work in progress shots of the upcoming SC2.


With the anniversary of Half-Life 2 we really wanted to do something special for our fans. Today, on the first of the fourth month, we are releasing all content that was created for SC2 from 2003 to 2006! As a teaser we'd like to start off by showing you the extensive design document created to highlight the groundbreaking features of Sven Co-op II.

Click to view the original Sven Co-op II design document!


Next to showing you what we had in store for our players, we'd also like to release the very first build of Sven Co-op II. Please note that this version does not represent final quality and lacks certain features to make it work properly but you can get a feel for what we intended. Just unzip the files to your sourcemod folder and restart Steam.

Download the early build of Sven Co-op II here! (revision 0401)

We're confident that by opening the SC2 vault we were able to bring a little of SC2 to your doorstep!


15 years of Sven Co-op!
19 January, 2014 | by Hezus

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So. It has become that time again. The one day in the year where we all dress up in our finest blue Sven Co-op shirts, dance around a pile of dead toads coated in purple paint, while singing praise to our savior Sven Co-op, who has given us the most precious gift of all: Entertainment.

Yes, today is Sven Co-op's birthday. How old is Sven Co-op you ask? 15 years to be exact, with the first version being released on January 19 1999. That makes Sven Co-op really old. Older than some of its' players. And yet, it just keeps going with no signs of stopping. People keep developing it, and people keep playing it. We on the development team still feel there is a lot to do before our vision of the game is completely fulfilled, so there's no reason to believe development is stopping any time soon.

If this was a TV show, this news update would be a clip show, where instead of providing any new story development, we just show what has happened previously in the series. We won't do that. Because we can't. This is not a TV show. Instead Nih is going to briefly summarize what has happened with the mod in the past 5 years (for the preceding 10 years, I will direct you to Hezus' excellent summary written in 2009 for Sven Co-op's 10th anniversary.)

December 24 2008
Release of Sven Co-op 4.0 Beta
5 years. That's how long it took to get this release out of the door. I have to admit, it looked grim at times, but in the end, we prevailed. Many people were excited about Sven Co-op entering a new chapter, but the release was also met by a lot of criticism, making this possibly the most controversial release. The cause was in part due to some major bugs that resulted in frequent crashing and people getting stuck in reconnect loops. It was also due to some major changes to the weapons and NPC's, changes which some people felt strayed too far from the original Half-Life experience. In the end however, these changes managed to revitalize the game.

This version introduced several new enemies (including Tor), weapons, as well as the ability for some NPC's to move while attacking, drastically increasing their fear factor. It was also a release defined by the large amount of new map series, rather than single maps, it introduced: Tetris, Escape, Last Stand, Royals, Infested, and Activist all consisted of at least 3 maps each. This release also finally introduced the coop conversion of the HL mod They Hunger, which had been announced in 2002, although only the first episode was included.

May 05 2009
Release of Sven Co-op 4.06
Due to a potential crash exploit that was discovered, it was decided to release a quick hotfix for the mod. This update was called 4.05, but upon realizing that an incorrect file had been included in the package, 4.06 was released the same day. Stuff happens. This update mainly consisted of a small amount of bug fixes and tweaks.

May 15 2009
Release of Sven Co-op 4.07
Another small update was released 10 days later, also consisting of a small amount of bug fixes and tweaks.

September 02 2010
Release of Sven Co-op 4.5
The next major update came a year later. Originally called 4.1, a decision was made to change the name due to the large amount of content introduced by the update. This was the release that finally fixed the looping and crashing issues introduced in 4.0. And to the great relief of many, ambient sounds were working again. The update introduced the Spore Launcher and Shock Roach, as well as several new maps like Kyper Kuutio (which apparently means cyber box in Finnish) and Sector E. The update also introduced an impressive array of new entities, allowing mappers to create maps with completely new types of gameplay. And of course, beta Opposing Force support.

December 25 2011
Release of Sven Co-op 4.6
Another Christmas release (try to count how many of these we've had). Because we love conversions, this update introduced a conversion of Half-Life: Uplink, the demo for Half-Life 1, as well as the second episode of They Hunger. The update introduced the Kingpin, a monster Valve cut from Half-Life 1, with sound effects provided by JPolito and his girlfriend, partly consisting of them gurgling water near a microphone.

December 25 2012
Release of Sven Co-op 4.7
4.7 finally included a frequently requested feature: Linux server binaries. This had not been included with the mod since 2002 or perhaps earlier. The release also included the Defense map Quarter, as well as a decent amount of bug fixes and features.

June 30 2013
Release of Sven Co-op 4.8
Mostly as a result of the SteamPipe update for Half-life 1, which caused a couple of issues for HL mods, it was decided to release another small update before getting properly started on 5.0. This update fixed those issues and added support for the Blue Shift campaign.

So there you have it folks. The last 5 years of Sven. What lies next is 5.0. Sven Co-op as a free game on Steam with full access to the game engine. Let us all visit the Sven Co-op forums to reminisce and celebrate the fact this delightful game was created 15 years ago. Come say hello to your pals on our IRC channel too, #svencoop on Gamesurge.


"Fortified" Beta Released
29 December, 2013 | by JPolito

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Sven Co-op Developer "Nih" has released a beta version of his map Fortified 1, a Venture Bros. inspired map in which players take the role of the "Secret Assault Crew", who must infiltrate a space station constructed by the super-scientist known as Dr. Merkwrdiglust, and assassinate the doctor before he can activate an ion cannon set to destroy the moon.

In the map, one player assumes the role of commander, who uses a menu to equip players with weapons, call airstrikes, spawn allied NPCs, and monitor the assault's progress. Other players must work together to hack terminals on the death station to gain rewards and delay the doomsday weapon's activation.

The map features voice acting by Josh "JPolito" Polito as every character, with Black Mesa's Mike "CornetTheory" Hillard (known for his role as the voice of the male scientist) performing the ending epilogues.

Click Here for the download link!

If you haven't had a chance to play it yet, install a copy and hop onto a server!

Be sure to post feedback for the map in the map's original thread! A finalized version of the map with gameplay tailored to the feedback of players will be included in the 5.0 release.

And on an unrelated note, "w00tguy" recorded a neat Gource video which displays a visual representation of Sven Co-op game repository expansion since 2008. Definitely worth taking a look at.


The Big Announcement
16 July, 2013 | by JPolito

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Ladies and gentlemen, boys and girls, friends, comrades, alpaca ranchers, mole people, time travelers, and other creatures with opposable thumbs:

After nearly fifteen years in development as a mod for Half-Life, and with our final mod release out of the way, the Sven Co-op Development Team is incredibly proud to announce that we are now focusing all of our effort on our next big project. We've been granted access by Valve to work on our own custom version of the Half-Life engine!

The majority of readers are probably asking themselves, "As an alpaca rancher, why is this showing up in my search results?", a question for which there is no easy answer.

The rest of you are probably asking, "What exactly does this announcement mean?"

  • The next version of Sven Co-op will run as a standalone game using a custom build of the Half-Life engine.
  • The game will be FREE for all Steam users, including the official Half-Life campaign (for 2+ player co-op play). A Half-Life purchase will not be required.
  • Automatic updates will be available using Steam's content delivery system dubbed SteamPipe. This will allow us to perform more frequent and rapid updates as needed.
  • Updates and new features will be added to the Half-Life engine, as well as a series of improvements to Half-Life's level editor called Hammer.
  • Increased Half-Life engine limits to allow for much larger and more detailed worlds.
  • Stability, performance, and gameplay improvements for everyone.

We are grateful beyond expression to Valve for their generosity and efforts put forth to make this possible. We're looking forward to working with one of the greatest game engines ever made, and we can assure everyone that there are many, many more updates to come.

More news and progress updates will be posted in the near future, so keep a lookout.


Sven Co-op v4.8 Released!
30 June, 2013 | by Sven Viking

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Tell your siblings! Tell your friends! Tell your beloved llama! Sven Co-op 4.8 is complete!

In this release we've made the game more stable, fixed countless bugs, added several new features for mappers, and added a new co-op campaign!

Some of the more notable changes include:
  • Added Half-Life: Blue Shift co-op campaign support!
  • Added breakable functionality to all door types.
  • Added RIPENT for Linux with campaign installation scripts, along with uninstallation scripts.
  • Improved compatibility with the SteamPipe update for Half-Life:
    • Added missing VGUI language lines.
    • Campaign installation scripts will now search the common account folder for official BSP's.
    • File system updates include reading files from various mod extension folders (like addon, downloads, and hd).
    • Fixed borderless window mode vastly shrinking the game window.
    • Linux server binary renamed to
and much more! Check out the Full Changelog, here!

Click Here for the download links!

(If you're able to provide permanent mirroring for the files, please e-mail the links to Thanks!)

While downloading, why not check out the Manual?
Server ops: When running a 4.8 dedicated server, you must add "-num_edicts 3072 -heapsize 131072" to your HLDS commandline or Launch Options.
The HL and OpFor campaigns can be installed under Linux using the .sh scripts in the /svencoop/ directory. To use Blue Shift on a Linux server, you must install it under Windows then copy the appropriate files across.

Remember, to play Sven Co-op you need to own the original Half-Life (NOT HL:Source). To play the Opposing Force and Blue Shift maps in SC, you need to own Opposing Force and Blue Shift.

Version 4.8 will most likely be the final SC mod release, but this is by no means the end of Sven Co-op. We have a major announcement to make soon, so keep an eye on over the next couple of weeks!

P.S. - If you missed out on donating for the bonus features in v4.8, you needen't worry, as our new automatic updating system allows us to provide donors with the bonuses at any time -- almost instantly.


Sven Co-op v4.8 Release Party!
30 June, 2013 | by Sniper

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We're having a release party today for Sven Co-op v4.8 in IRC on #svencoop on GameSurge. Come by and join the fun.

Join our IRC Channel for early download links and chat with the developers. #svencoop

If you have mIRC, Click Here.


Message forums back on-line | Changes coming up in 4.8
20 June, 2013 | by AdamR

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Message forums back on-line

It seems like forever since our message forums were attacked and deleted, but the time has come to bring them back to the public. On the positive side only a few recent post attachments were lost.

You may be wondering why it's taken longer than expected to bring them back on-line? We've been upgrading our message board system to a later platform, which is not a simple task when you're dealing with custom skins -- most of it had to be rebuilt from scratch.

Also as a security measure all account passwords have been intentionally reset. You will not be able to sign in until you use the account recovery process.

If the message forums don't look correct to you, or are completely inaccessible, please clear your browser cache and possibly clear your DNS cache too.

Massive thanks to Sniper for working hard in his spare time upgrading our message forums.

Changes coming up in 4.8

We have been working really hard on Sven Co-op since 4.7 came out in December, and we are nearly ready to deliver 4.8.

Expected to be released this summer, this release was originally just intended to be a minor patch for some stability issues in 4.7 -- particularly in Linux.

Compatibility issues introduced by the SteamPipe update to Half-Life set us back, however, and this release has since evolved into a substantial update offering some notable new features:

  • Added Half-Life: Blue Shift co-op campaign support!
  • Added breakable functionality to all door types.
  • Added RIPENT for Linux with campaign installation scripts, along with uninstallation scripts.
  • Improved compatibility with the SteamPipe update for Half-Life:
    • Added missing VGUI language lines.
    • Campaign installation scripts will now search the common account folder for official BSP's.
    • File system updates include reading files from various mod extension folders (like addon, downloads, and hd).
    • Fixed borderless window mode vastly shrinking the game window.
    • Linux server binary renamed to

See the full change log


Sven Co-op Forums Hacked
2 June, 2013 | by Sven Viking


Well, we'd been planning to pack the 4.8 release candidate this weekend but instead we've ended up spending it dealing with a hacking attempt. Someone broke into the forums, posting pornography and demanding bitcoins. No data was lost but they did unfortunately gain access to forum private messages and user e-mail addresses.

While no unencrypted forum passwords were stolen, we still recommend changing identical passwords used elsewhere as a safety precaution. Any information written in private messages on the Sven Co-op forums must be assumed exposed - e.g. if you mentioned a password in a private message you should definitely change it immediately. We apologise for the inconvenience.

We plan to upgrade the forums and get them back online shortly. Sven Co-op 4.8 will be delayed slightly while we review our security, but hopefully not by more than a few days.


Sven Co-op Emergency Auction Cancelled
3 April, 2013 | by Hezus

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The auction we announced on April the 1st was cancelled. At first the bidding went really well and at the end of the day we had collected a fairly large amount of money, enough to support development for another 10 years and to buy the entire team rather expensive suits and a case of vintage whiskey.

The morning after the celebration party we were not only faced with a massive hangover but also a crushing feeling of regret. When it came to packing the items into the shipping boxes, all team members broke down and admitted they did not want to part with any of their personal items, items that meant so much to them. Puchi clang on to his metallic object for dear life, Sven proudly wore his collar and Jpolito even tried to put his wisdom teeth back in. We came to the realization that wealth cannot only be measured in cold hard cash.

Therefore we decided to cancel the auction. All money will be refunded, unless you didn't read the fine print and checked the teeny tiny box at the end of the page, then all your money is ours, of course.


Sven Co-op Emergency Auction
1 April, 2013 | by Sven Viking


Hello fellow Sven Co-op fans. We would like to bring you good news of an update to Sven Co-op, though unfortunately the situation is very dire.

With the next version of Sven Co-op at only arms length, the team are heavily struggling on day to day funding to keep our development going. We have therefore decided to auction off some of our most treasured possessions and artefacts to raise funding.

Sven Viking's cervical collar

Sven Viking's cervical collar

This is the very cervical collar Sven Viking wore during the release of Sven Co-op 3.0. It comes complete with his scent and hairs, in good enough quality for cloning.

Sven Viking's pen of deception

Sven Viking's pen of deception

The pen shown is no ordinary pen, but in fact the very pen Sven Viking used to sign classic maps such as Rampage and Hostage out of Sven Co-op 4.0, causing general outrage from the community. It comes in fully working condition with 40% ink remaining.

JPolito's mega artefact blowout extraordinaire!

JPolito's mega artefact blowout extraordinaire!

SPECIAL! Did you want some of JPolito's perfectly formed teeth? Well now is your chance! You have the opportunity to get your hands on 3 of these WITH the obligatory stench of limited decay. Open with caution.

Included FREE with this priceless artefact you will also receive JPolito's mostly used pad of offical branded Sven Co-op note paper!

Dead moth not included.

AdamR's hard disk collection

AdamR's hard disk collection

A baker's dozen of cheap hard disks ranging from 60GB up to 4TB is available for grabs. Many of these contain private development releases of Sven Co-op with some undocumented features. The 2.5" laptop disks also have a fully operational engine renderer replacement highly optimized for Intel graphics cards, offering an average of 90 FPS on his laptop!

Drives are provided as-is and are not guaranteed to work. No returns.
AdamR's electronics toolkit

AdamR's electronics toolbox

This is Adam's highly prized and recently purchased electronics toolkit. Genuine leather and combination lock briefcase. You get the toolbox shown here, which can also hold a lot of extra tools not originally part of the kit.

Auction is for box only. Tools and other contents not included.
AdamR's Sven Co-op branded and personalized pen

Also with this purchase you get this Sven Co-op branded personalized pen. Claim to be AdamR with your friends!

Hezus' legendary drink of mapping talent

Hezus' legendary drink of mapping talent

Do you like cans? Then you're going to want to get your hands on this bad boy. It's only THE can of Cherry Coca Cola that Hezus drank during the mapping of such legendary maps like New Hope's Last Stand. Put this on your desk and everyone else will know how cool you are to have such a historical can.

Puchi's metallic object of many forms

Puchi's metallic object of many forms #1

Saving the best for last, this hand crafted multi-assembly device not only passed Puchi his final exam as a metal cutting mechanic, it was a key inspiration and thinking booster for Puchi's decisions on which new maps get included with each Sven Co-op release since 4.0. Hand crafted in Germany and made from 100% stainless steel it can be assembled in many different shapes, while doing so boosting your own mentality and ingenuity.

Puchi's metallic object of many forms #2

Should you eventually get bored of this finely hand crafted in Germany device, which will not happen, you could use it as an extraordinarily posh paper weight. Add some class to your work station!

Puchi's stainless steel swarfs

FREE with this deal you will get a small container of stainless steel swarfs with a market value of around 180! Including outstnading materials such as:

  • X2 CrNiMoN 22 5 3
  • X6 CrNiMoTi 17 12 2
  • X2 NiCrMoCu 25 20 5
Container not included. Shipping weight approx. 200kG.


Upcoming Patch, New Indie Game
28 January, 2013 | by Sven Viking


Just to mention we've identified a problem which is unfortunately preventing some post-4.7 donors from accessing their bonus features immediately via the new auto-update system. We're planning to release a small patch to fix this and some other issues, plus add some minor features, within the next few weeks. So, keep an eye out.

In unrelated news, I've been working on an indie game for Amazon Kindle e-readers for a while now (the black-and-white E-Ink versions), and it was finally released on recently. It's basically an advanced version of Lemonade Stand with a comedic story, tons of random events, Lucasarts-style conversation trees etc. Here's the trailer -- featuring Primordia by Steve Blevin (composer of Cyborg), very kindly remastered just for this video!

Check it out if you have access to a Kindle -- and, if you do, I'd really appreciate it if you could post a customer review to let me know what you think! :)

P.S. - If you get a message saying the title is unavailable in your region, please send me a quick e-mail to let me know -- I might be able to get something done about it.


New Positions Available
13 January, 2013 | by Sniper


Hi folks — there's a lot of exciting stuff going on — and I'm going to say nothing about it. Wahoo!

*cough* We're looking for a few talented individuals to join our ranks. We need people with one or more of the following skill-sets:
  • Character Design
  • Rigging
  • Animation
  • UV unwrapping
  • Texturing

Do you have what it takes? If so, please email with a few samples of your work. Thanks!


Sven Co-op 4.7 RELEASED! Merry Christmas!
25 December, 2012 | by Sven Viking

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I don't know why we so often end up releasing on Christmas. We don't usually plan it that way... or at least, not at first.

In any case, Santa Garg is here again, bearing gifts! As you play, please spare a thought for Santa Garg's many enslaved minions, whose forced labour makes these releases possible.


News post by AdamR and Nih:

We've finally finished testing Sven Co-op 4.7, and now it's time for the rest of you to have a go. Spread the word!
In this release you are going to be seeing fewer crashes, fewer bugs, a decent amount of new features, and a new map.
Some of the more notable changes include:
  • New map: Quarter. In this map, the players must prevent a base from being overrun by enemies. Failing to defend an area forces the players to retreat further back into new areas.
  • Improved sentence handling: NPC's now use more sentences, mappers can specify their own sentences, and other improvements
  • Linux server binary now included
  • New console command called "stuck" allows players to get unstuck
  • Using the grenade warning automatically makes friendly NPC's seek cover
  • Spawn points are now randomly selected with no spawn fragging
  • On-line donor lookup: An online donor list now lets donors receive their bonus features without having to wait for the next release
  • trigger_load is now able to load data from other maps' save files, improving the ability to create map series where events in one map affect what happens in other maps.
  • New High-Definition remakes of HLDM player models
  • Bug fixed that prevented players from falling down when using the grapplegun.
and much more! Check out the Full Changelog, here!

Click Here for the download links!

(If you're able to provide permanent mirrors for the files, please e-mail the links to or post them in this forum thread. Thanks!)

While downloading, why not check out the Manual?
Coming soon: The Sven Co-op Wiki!
Server ops: When running a 4.7 dedicated server, you must add "-num_edicts 3072" to your HLDS commandline or Launch Options.

4.7 has taken quite some time, probably more than it really should have, but we can assure you that we are not running out of Steam. Quite the opposite in fact. The next version, 5.0, is going to be a major stepping stone for the mod, and there are some very exciting improvements to the mod in the works. Keep in touch, as there's going to be some more info on the next version soon (in Sven Co-op time).

Remember, to play Sven Co-op you need to own Half-Life (NOT HL:Source). To play Opposing Force maps in Sven Co-op, you need to own Opposing Force. Both are currently on special.

Some screen shots from the latest map, Quarter:


False positive, 4.7 donations closed
30 November, 2012 | by Sven Viking


If you noticed a warning when coming to the site earlier: This was caused by a single PNG image, hotlinked from a site Google has decided is suspicious (but we know not to be intentionally malicious). We have since removed the image and requested that Google disable the warning. Note that the PNG in question appears to have been harmless (nothing suspicious detected by 36+ different scanners).

It is now too late to donate for the bonus features in Sven Co-op 4.7, by the way. ...though it may not be, later on. More news on that soon.


Last call for 4.7 donations, Amazon Kindle
5 October, 2012 | by Sven Viking

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We've been planning to add an auto-updating system for donation bonuses, but due to some technical issues it may not be possible in time for the impending release. If you're planning to donate, you would be advised to do so immediately if you'd like to get your bonus features in Sven Co-op v4.7. Remember to include your Steam ID (e.g. STEAM_0:1:234567) with the donation, or send it by e-mail after donating.

If you donated after SC4.6 but never received a reply, we may have been unable to contact you for some reason. Please follow the instructions here to submit your Steam ID.

On another subject: If anyone has access to an Amazon Kindle e-reader (the e-ink version, not the colour Kindle Fire), and would be we willing to test a Kindle game, please send me an e-mail mentioning:
  • The type of Kindle (e.g. Keyboard, DX, Touch, the original 4-colour Kindle, etc.)
  • Whether you'd be able to spare a few minutes, a couple of hours, or longer for testing (in total, not in one sitting)


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