Free to PlayCo-opActionMultiplayerOnline Co-OpAliensShooterSci-fi
Alien Swarm
Co-operative multiplayer game and complete code base available for free.
- Developer
- Valve
- Publisher
- Valve
- Release date
- July 19, 2010
- Platforms
- Windows
- AppID
- 630
Playing now
26
24h peak
27
Reviews
Very Positive · 94% · 21,663 reviews
Price
Free to play
Recent news
No news in the last 30 days.
Language support
English