Alien Swarm
Co-operative multiplayer game and complete code base available for free.
- Released
- 2010
- Developer
- Valve
- Platforms
- 1 systems
- Critics
- 77
- Steam Deck
- playable
- Download
- Not stated
What is Alien Swarm?
Co-operative multiplayer game and complete code base available for free.
Description as published by the developer on its own store page, read 30 August 2026. It is marketing copy, not our assessment.
The record
| First released | 18 July 2010 |
|---|---|
| Developer | Valve |
| Publisher | Valve |
| Platforms | PC |
| Genres | Action, Free To Play |
| Languages | 1 supported |
Source. Catalogue facts from Wikidata , seeded TBA. Store data from Steam, read 30 August 2026.
How was Alien Swarm received?
Method. Player figures are Steam's own totals for the PC version, read 30 August 2026. The Metacritic score is the one Steam publishes on its store page and can lag the site itself. Metacritic page. Neither is our opinion. We have not published a review of this game.
Accessibility
Seeing
- Color Alternatives
- Camera Comfort
Hearing
- Custom Volume Controls
- Stereo Sound
- Surround Sound
Input
None declared
Difficulty
- Adjustable Difficulty
Method. Features the publisher declared on its own store page. A declaration is a floor, not a review.
What does it support?
| Capability | Support |
|---|---|
| Controller | Not stated |
| Cloud saves | Yes |
| Cross-platform play | No |
| Mod support | No official workshop |
| Online play | Single-player only |
| In-game purchases | No |
| Steam Deck | playable |
| Download size | Not stated |
| Add-on content | None listed |
| Age gate | None |
Content descriptors
- Frequent violence or gore
- General mature content
Method. Read from the publisher's Steam listing on 30 August 2026. Describes the PC version. Console versions differ.
What does it cost?
Steam price in US dollars, read 30 August 2026. Prices move hourly and vary by region. Check the current price.
Games like Alien Swarm
24 games overlap with Alien Swarm on the tags Steam players applied to it, on genre, and on theme. The closest are Predecessor, HELLDIVERS Dive Harder Edition and The Cycle: Frontier.
Common questions about Alien Swarm
What platforms is Alien Swarm on?
Alien Swarm is available on PC. It first released in 2010.
Is Alien Swarm free?
Yes. Alien Swarm is free to download on Steam.
Do players recommend Alien Swarm?
95% of 21,612 Steam reviews are positive, which Steam rates Very Positive. That is players rating it, not our review. We have not published a review of this game.
What is the Metacritic score for Alien Swarm?
77 out of 100 for the PC version, as published on the game's own Steam store page. Steam can lag Metacritic by a few points.
Does Alien Swarm work on Steam Deck?
Valve rates Alien Swarm as playable on the Steam Deck, from its own testing.
Who made Alien Swarm?
Alien Swarm was developed by Valve and published by Valve.