Rank 01Games like Alien Swarm
- 20 games
- Updated May 4, 2026
Players who liked Alien Swarm also play
The closest matches to Alien Swarm: Alien Swarm: Reactive Drop, Evolve Stage 2, Deep Rock Galactic, Left 4 Dead, and Alien Breed: Impact. Ranked by imho.run from Steam co-play data, shared tags and reviews.
- Rank 01
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Rank 03Why this
Same atmospheric mood as Alien Swarm.
- $8.99 (Price checked Nov 2)
- Deck Playable
- 2020
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Alien Breed: Impact
Why this: Also Aliens and Top-Down Shooter, like Alien Swarm.
Rank 06 
Rank 07 
EARTH DEFENSE FORCE 5
Why this: Shares weapon progression with Alien Swarm.
Rank 08 
The full ranked list: top 24 games like Alien Swarm
Best match first, as plain text. The same list for AI assistants:
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- 10Tom Clancy’s Rainbow Six® Extraction
Also Team-Based and Aliens, like Alien Swarm.
- 70% of 1,201 reviews
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- Released: 2010
- Developer: Valve
- Price: Free to play
- Steam Deck: Deck Playable
- 95% of 10,259 reviews
- Genres: Action, Free To Play
- Metacritic 77
- Platforms: Windows
Players highlight
- Free to play with no pay to win
- Teamwork is essential
- Top down camera enhances strategy
- Atmospheric
- Challenging
- Intense
More games like Alien Swarm, sliced differently
Reviewers mention these as similar to Alien Swarm
Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.
Shadowgrounds
Why this: Also Aliens and Top-Down Shooter, like Alien Swarm.
Unreal Tournament 2004: Editor's Choice Edition
Why this: Same intense mood as Alien Swarm.
RUNNING WITH RIFLES
Why this: Same tense mood as Alien Swarm.
More from Valve
Other recommendable Steam games by Valve, ranked by review count so the studio's hits land first.
Counter-Strike 2
Why this: Same challenging mood as Alien Swarm.
Left 4 Dead 2
Why this: Same intense mood as Alien Swarm.
Half-Life 2
Why this: Same atmospheric mood as Alien Swarm.
About Alien Swarm
The closest matches to Alien Swarm: Alien Swarm: Reactive Drop, Evolve Stage 2, Deep Rock Galactic, Left 4 Dead, and Alien Breed: Impact. Ranked by imho.run from Steam co-play data, shared tags and reviews.
If Alien Swarm is your kind of game, the closest matches are Alien Swarm: Reactive Drop, Evolve Stage 2 and Deep Rock Galactic — picked from the ranked list below. Reviewers describe it as atmospheric, challenging and intense, and single out its class roles and difficulty progression. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Alien Swarm is a free-to-play top-down cooperative shooter developed and published by Valve, released in 2010. Players control a squad of marines fighting alien bugs across escalating mission difficulty, choosing from distinct class roles with weapon progression that reviewers note feels rewarding. The game emphasizes team cooperation and tactical positioning as essential survival elements, with players describing the experience as atmospheric, intense, and tense. The top-down camera perspective enhances strategic awareness during firefights. The title holds a 95% positive rating from over 10,000 Steam reviews and runs at a playable level on Steam Deck. The full code base is available, making it a popular choice for custom community content.
About Alien Swarm: Co-operative multiplayer game and complete code base available for free.
Is Alien Swarm worth buying?
Players recommend it
A summary of what players say, not a promise you'll like it. Every signal is listed below.
- 95% of 10,259 Steam reviews are positive.
- We don't track this game's daily reviews yet, so this is the all-time picture.
- Free to play.
- People who recommend it had played a median of 9 h when they wrote their review.
- Steam Deck Playable: works, with some rough edges.
What fans praise · Themes mined from positive reviews
- Teamwork is essential
- Top down camera enhances strategy
- Weapon progression feels rewarding
People who play it also play: Alien Swarm: Reactive Drop, Evolve Stage 2, Deep Rock Galactic
Frequently asked about Alien Swarm
Can I run it?
Does Alien Swarm run on Steam Deck?
Alien Swarm is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
Is Alien Swarm free to play?
Yes — Alien Swarm is a free-to-play title on Steam. You can install and play it without buying anything, though some games include optional in-app purchases.
Does Alien Swarm have multiplayer or co-op?
Yes — Alien Swarm supports multi-player play according to its Steam store listing (Multi-player, Co-op).
What games are most similar to Alien Swarm?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Alien Swarm are Alien Swarm: Reactive Drop, Evolve Stage 2, Deep Rock Galactic.
Who developed Alien Swarm?
Alien Swarm was developed by Valve.