Sven Co-op

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Sven Co-op
Sven Co-op cover
Sven Co-op Team
Release dates
Windows January 19, 1999
Linux Early access[1]
macOS (OS X) TBA[2]
Monetization Freeware
Modes Singleplayer, Multiplayer
Pacing Real-time
Perspectives First-person
Controls Direct control
Genres Shooter
Art styles Realistic
Themes North America, Sci-fi
Series Half-Life
Sven Co-op on HowLongToBeat
Sven Co-op on IGDB
Sven Co-op on MobyGames
Sven Co-op on Wikipedia
Half-Life 1998
Sven Co-op (unofficial mod) 1999
Half-Life: Opposing Force 1999
Half-Life: Blue Shift 2001
Codename: Gordon 2004
Half-Life: Source 2004
Half-Life 2 2004
Half-Life 2: Deathmatch 2004
Half-Life 2: Lost Coast 2005
Half-Life Deathmatch: Source 2006
Half-Life 2: Episode One 2006
Half-Life 2: Episode Two 2007
Portal (series)
Half-Life: Decay (unofficial port) 2008
Black Mesa (unofficial remake) 2020
Half-Life: Alyx 2020


The macOS (OS X) version of this game does not work on macOS Catalina (version 10.15) or later due to the removal of support for 32-bit-only apps.

Key points

Free. Includes Half-Life campaign. See here for Opposing Force and Blue Shift campaigns
Standalone. Doesn't require any game

General information

Steam Community Discussions


Source DRM Notes Keys OS
Icon overlay.png
All versions require Steam DRM.

Game data[edit]

Configuration file(s) location[edit]

System Location
Windows <path-to-game>\svencoop\*.cfg[Note 1]
macOS (OS X)
Linux <path-to-game>/svencoop/*.cfg
It's unknown whether this game follows the XDG Base Directory Specification on Linux. Please fill in this information.

Save game cloud syncing[edit]

System Native Notes
Steam Cloud


In-game video settings.
In-game video settings.

Graphics feature State Notes
Widescreen resolution
Hor+ since 5.04 (July 2016),[3] was Vert- prior.[4]
4K Ultra HD
Render resolution is always upscaled to desktop resolution.
Field of view (FOV)
See Field of view (FOV).
Borderless fullscreen windowed
See Borderless fullscreen windowed.
Anisotropic filtering (AF)
Controlled by CVAR gl_ansio[sic], values 0-16.
Anti-aliasing (AA)
4x MSAA; disable with -nomsaa Command line argument
Driver antialiasing cannot be forced, however in-game MSAA can be enhanced.
Enhanced Transparency SGSSAA is blurry on oblique angles. Use Nvidia Profile Inspector to enhance the with 8xS, 8xSQ, 16xS, or 32xS HSAA (Hybrid Sampled Antialiasing) in Antialiasing - Setting instead, leaving transparency supersampling disabled.[5]
Vertical sync (Vsync)
60 FPS and 120+ FPS
Capped at 200 FPS. See High frame rate.
High dynamic range display (HDR)

Field of view (FOV)[edit]

Changing the FOV can be done with the default_fov CVAR.
Console[citation needed]
  1. While in-game, open the console (~).
  2. Type default_fov < number > and press Enter to apply, e.g. default_fov 100.
Config files[citation needed]
  1. Go to <path-to-game>/svencoop/
  2. Open autoexec.cfg.
  3. Add default_fov < number > to the bottom of it, e.g. default_fov 100.

Borderless fullscreen windowed[edit]

-window -noborder[citation needed]
  1. Find Sven Co-op in your Steam Library
  2. Right-click the game name
  3. Select Properties
  4. Select Set Launch Options...
  5. Input -window -noborder
  6. Press OK
  7. Launch the game

High frame rate[edit]

Set FPS limit[citation needed]
Game is capped at 200 FPS (without Vsync) by default
  1. Go to <path-to-game>\svencoop
  2. Create a new file called userconfig.cfg
  3. Add in the following lines:
fps_max "<desired FPS value>"
fps_override 1
  • The fps_override 1 command disables Svengine's arbitrary 200 FPS limit.

4. Save the file and launch the game. 5. Disable Vsync in-game.

Disable texture blur (bilinear texture filtering)[edit]

Modify gl_texturemode[citation needed]
By default this is enabled, except on Software rendering mode.
  1. Go to <path-to-game>\svencoop
  2. Open autoexec.cfg
  3. Change the following line from


gl_texturemode gl_nearest_mipmap_linear

4. Save the file and launch the game.


In-game key map settings.
In-game key map settings.
In-game mouse/joystick settings.
In-game mouse/joystick settings.


In-game audio settings.
In-game audio settings.

Audio feature State Notes
Separate volume controls
Surround sound
Closed captions
Mute on focus lost
Can be toggled in Multiplayer>Advanced


Language UI Audio Sub Notes


In-game multiplayer settings.
In-game multiplayer settings.
In-game advanced multiplayer settings.
In-game advanced multiplayer settings.

Multiplayer types

Type Native Players Notes
Local play
Use Universal Split Screen
LAN play
32 Co-op
Online play
32 Co-op

Connection types

Type Native Notes
Steam NAT punch-through service can used to connect individual peers without firewall configuration as of version 5.19. Open the console (~) and use connect SteamID command to connect to a person's game.
Only LAN, by default. Use sv_lan 0 in the main menu and, if you have port forwarding set up, others can connect with the connect "ip address" command.
Direct IP
Open the console (~) and use connect followed by the IP and port.


Protocol Port(s) and/or port range(s)
UDP 27005 (client), 27015 (server), 26900 (VAC), all configurable with CVARs clientport, port, and sport respectively.
This game does not support Universal Plug and Play (UPnP) for automatic port configuration.

Other information[edit]


Technical specs Supported Notes
OpenGL 1.0 with selective 3.x features
Executable 32-bit 64-bit Notes
macOS (OS X)
This 32-bit-only macOS game does not work on macOS Catalina (10.15) or later.


Middleware Notes
Audio FMOD Ex
Input SDL
Multiplayer Steamworks

Opposing Force and Blue Shift campaigns[edit]

You have to own the game and have it installed for it to get support in Sven Co-op
Installing support[6]
  1. Go to <path-to-game>\svencoop\
  2. Open Install_OpFor_Support.bat for Opposing Force campaign
  3. Open Install_bshift_Support.bat for Blue Shift campaign

System requirements[edit]

Minimum Recommended
Operating system (OS) 7
Processor (CPU) 1.0 GHz
System memory (RAM) 512 MB
Hard disk drive (HDD) 2 GB
Video card (GPU) 64 MB of VRAM
OpenGL 2.1 compatible
DirectX 11 compatible


  1. When running this game without elevated privileges (Run as administrator option), write operations against a location below %PROGRAMFILES%, %PROGRAMDATA%, or %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore on Windows Vista and later (more details).


  1. Sven Co-op Update Released [Build 1213242]
  2. -- PLEASE READ -- Frequently asked questions :: Sven Co-op General Discussions
  3. Sven Co-op build 1213242 (v5.04) released on 2016-07-05
  4. Verified by User:SirYodaJedi on 2019-10-05
  5. Verified by User:SirYodaJedi on 2019-08-12
    Unlike some titles, it blurs on all angles, so there really is no reason to use it (especially with bilinear filtering disabled). I have not noticed any issues yet caused by the LOD bias adjustment that Nvidia HSAA (and D3D Supersampling) force, but I have not played it much.
  6. Steam Community :: Guide :: Enabling Opposing Force and Blueshift - last accessed on 2016-7-26