Steam co-op game
Garry's Mod
Co-opOnline Co-Op
$9.99
US Steam storefront · USD
97% positiveApproximately 541.9K reviews
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Open on SteamCo-op at a glance
- Online co-op
- Not confirmed
- Sources disagree about this mode.
- Local / offline co-op
- No
- Steam version
- Split-screen mode
- No
- Steam version
Game details
- Steam release
- Nov 29, 2006
- First release
- December 24, 2004
- Type
- Main Game
- Developer
- Facepunch Studios
- Publisher
- Valve
Tags
SandboxModdableMultiplayerPhysicsBuildingFunnyCasual
Steam co-op details
Steam version
- Co-op campaign
- No
- Drop-in
- Yes
- LAN co-op
- No
- Offline co-op
- No
- Online co-op
- Sources disagree
- Split screen
- No