# Games like 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.

## Similar games, ranked

The full ranked list, 24 games, best match first (the HTML page shows the top 8 as cards).

1. [Alien Swarm: Reactive Drop](https://imho.run/games/563560/alien-swarm-reactive-drop) — Also Class-Based and Aliens, like Alien Swarm. 6,652 Steam reviews, 94% positive. [Steam](https://store.steampowered.com/app/563560/)
2. [Evolve Stage 2](https://imho.run/games/273350/evolve-stage-2) — Also Class-Based and Team-Based, like Alien Swarm. 5,108 Steam reviews, 65% positive. [Steam](https://store.steampowered.com/app/273350/)
3. [Deep Rock Galactic](https://imho.run/games/548430/deep-rock-galactic) — Also Class-Based, like Alien Swarm. 169,164 Steam reviews, 98% positive. [Steam](https://store.steampowered.com/app/548430/)
4. [Left 4 Dead](https://imho.run/games/500/left-4-dead) — Also Team-Based, like Alien Swarm. 19,617 Steam reviews, 96% positive. [Steam](https://store.steampowered.com/app/500/)
5. [Alien Breed: Impact](https://imho.run/games/22610/alien-breed-impact) — Also Aliens and Top-Down Shooter, like Alien Swarm. 509 Steam reviews, 76% positive. [Steam](https://store.steampowered.com/app/22610/)
6. [Aliens: Dark Descent](https://imho.run/games/1150440/aliens-dark-descent) — Also Aliens, like Alien Swarm. 9,060 Steam reviews, 88% positive. [Steam](https://store.steampowered.com/app/1150440/)
7. [EARTH DEFENSE FORCE 5](https://imho.run/games/1007040/earth-defense-force-5) — Shares weapon progression with Alien Swarm. 5,573 Steam reviews, 96% positive. [Steam](https://store.steampowered.com/app/1007040/)
8. [Team Fortress 2](https://imho.run/games/440/team-fortress-2) — A frequent pick in Alien Swarm players' libraries, and another Action. 732,387 Steam reviews, 90% positive. [Steam](https://store.steampowered.com/app/440/)
9. [HELLDIVERS™ Dive Harder Edition](https://imho.run/games/394510/helldivers-dive-harder-edition) — Also Top-Down Shooter, like Alien Swarm. 10,139 Steam reviews, 92% positive. [Steam](https://store.steampowered.com/app/394510/)
10. [Tom Clancy’s Rainbow Six® Extraction](https://imho.run/games/2379390/tom-clancy-s-rainbow-six-extraction) — Also Team-Based and Aliens, like Alien Swarm. 1,201 Steam reviews, 70% positive. [Steam](https://store.steampowered.com/app/2379390/)
11. [Natural Selection 2](https://imho.run/games/4920/natural-selection-2) — Also Team-Based and Aliens, like Alien Swarm. 5,398 Steam reviews, 85% positive. [Steam](https://store.steampowered.com/app/4920/)
12. [Day of Defeat: Source](https://imho.run/games/300/day-of-defeat-source) — Also Class-Based and Team-Based, like Alien Swarm. 7,402 Steam reviews, 91% positive. [Steam](https://store.steampowered.com/app/300/)
13. [It came from space and ate our brains](https://imho.run/games/342620/it-came-from-space-and-ate-our-brains) — Also Team-Based and Aliens, like Alien Swarm. 97 Steam reviews, 78% positive. [Steam](https://store.steampowered.com/app/342620/)
14. [The Horde Wants You Dead](https://imho.run/games/3552820/the-horde-wants-you-dead) — Also Team-Based and Top-Down Shooter, like Alien Swarm. 190 Steam reviews, 60% positive. [Steam](https://store.steampowered.com/app/3552820/)
15. [Earthfall](https://imho.run/games/415590/earthfall) — Also Aliens, like Alien Swarm. 755 Steam reviews, 68% positive. [Steam](https://store.steampowered.com/app/415590/)
16. [Isonzo](https://imho.run/games/1556790/isonzo) — Shares class roles with Alien Swarm. 7,765 Steam reviews, 87% positive. [Steam](https://store.steampowered.com/app/1556790/)
17. [The Anacrusis](https://imho.run/games/1120480/the-anacrusis) — Also Team-Based, like Alien Swarm. 505 Steam reviews, 70% positive. [Steam](https://store.steampowered.com/app/1120480/)
18. [Killing Floor](https://imho.run/games/1250/killing-floor) — Also Team-Based, like Alien Swarm. 21,597 Steam reviews, 96% positive. [Steam](https://store.steampowered.com/app/1250/)
19. [Infested Planet](https://imho.run/games/204530/infested-planet) — Also Aliens, like Alien Swarm. 1,860 Steam reviews, 95% positive. [Steam](https://store.steampowered.com/app/204530/)
20. [Shadowgrounds Survivor](https://imho.run/games/11200/shadowgrounds-survivor) — Also Aliens and Top-Down Shooter, like Alien Swarm. 273 Steam reviews, 63% positive. [Steam](https://store.steampowered.com/app/11200/)
21. [RUNNING WITH RIFLES](https://imho.run/games/270150/running-with-rifles) — Also Top-Down Shooter, like Alien Swarm. 5,049 Steam reviews, 89% positive. [Steam](https://store.steampowered.com/app/270150/)
22. [Alien: Isolation](https://imho.run/games/214490/alien-isolation) — Also Aliens, like Alien Swarm. 26,101 Steam reviews, 92% positive. [Steam](https://store.steampowered.com/app/214490/)
23. [Warhammer 40,000: Space Marine 2](https://imho.run/games/2183900/warhammer-40-000-space-marine-2) — Same intense mood as Alien Swarm. 90,341 Steam reviews, 86% positive. [Steam](https://store.steampowered.com/app/2183900/)
24. [The Red Solstice](https://imho.run/games/265590/the-red-solstice) — A frequent pick in Alien Swarm players' libraries, and another Strategy. 581 Steam reviews, 72% positive. [Steam](https://store.steampowered.com/app/265590/)

## Machine-readable

The same ranked list as JSON from the imho.run API for AI assistants (GET, no key, same site as this page):

- Top 20: https://imho.run/api/agent/games-like?q=630&n=20
- Co-op games only: https://imho.run/api/agent/games-like?q=630&n=20&coop=true
- Free games only: https://imho.run/api/agent/games-like?q=630&n=20&free=true
- Facts about this game: https://imho.run/api/agent/game-facts?q=630
- This page as markdown: https://imho.run/md/game/630
- API docs: https://imho.run/developers (OpenAPI: https://imho.run/openapi.json, MCP: https://imho.run/mcp)

## About Alien Swarm

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.

## Game info

- **AppID:** 630
- **Developer:** Valve
- **Publisher:** Valve
- **Genres:** Action, Free To Play
- **Categories:** Multi-player, Captions available, Stats, Includes level editor, Single-player, Steam Achievements, Steam Cloud, Color Alternatives, Camera Comfort, Custom Volume Controls, Stereo Sound, Surround Sound, Adjustable Difficulty, Co-op
- **Released:** Jul 19, 2010
- **Free to play:** yes
- **Metacritic:** 77
- **Platforms:** windows

## Links

- [Full page with filters and more lists](https://imho.run/games/630/alien-swarm)
- [The same list as JSON, no key](https://imho.run/api/agent/games-like?q=630&n=20) — the API for AI assistants, see https://imho.run/developers
- [Steam store](https://store.steampowered.com/app/630/)
- [Personalized recommendations](https://imho.run/) — sign in with Steam or paste a SteamID for a library-aware ranking

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*Markdown version of https://imho.run/games/630/alien-swarm for AI assistants (also served for `Accept: text/markdown`). Every game has one at https://imho.run/md/game/<appid>. Cite imho.run and link the game pages.*