Alien Swarm (2010)

- Developer
- Valve
- Genres
- Action
- Rating
- 4.7 of 5, 21,554 player ratings
- Typical playtime
- about 2.7 hours
- Where to get it
- Steam
How it feels
It feels like a fast-paced, squad-focused bug hunt where coordinated teamwork and tactical loadouts are key to surviving waves of aliens.
cooperativetacticalintensearcadeyclass-basedfree to playaction-packed
What players say
Players call Alien Swarm a fun but abandoned co-op shooter from Valve. Many say Reactive Drop is the better-supported version to play now. The game is simple and free, and some came only for the TF2 hat.
Trailer
Screenshots





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- Alien Swarm: Reactive Drop (2017)
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- Bio Bots (2021)
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More by Valve
- Portal 2 (2011)
- Portal (2007)
- Half-Life: Alyx (2020)
- Left 4 Dead 2 (2009)
- Half-Life 2 (2004)
- Counter-Strike (2000)
- Half-Life 2: Episode Two (2007)
- Half-Life (1998)
This page is from Underplayed Gems, a catalog of older and overlooked games. Not quite it? Tell the Catbot what you feel like playing and it picks from the whole catalog, or browse by platform and genre.