# Games like Test Subject

> The closest matches to Test Subject: Half-Life, Black Mesa, Bloody Knuckles Street Boxing, Natural Selection 2, and Sanctum 2. 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. [Half-Life](https://imho.run/games/70/half-life) — Also Aliens and 1990's, like Test Subject. 57,390 Steam reviews, 96% positive. [Steam](https://store.steampowered.com/app/70/)
2. [Black Mesa](https://imho.run/games/362890/black-mesa) — Also Aliens, like Test Subject. 69,272 Steam reviews, 95% positive. [Steam](https://store.steampowered.com/app/362890/)
3. [Bloody Knuckles Street Boxing](https://imho.run/games/2613950/bloody-knuckles-street-boxing) — Also Boxing and 3D Fighter, like Test Subject. 158 Steam reviews, 57% positive. [Steam](https://store.steampowered.com/app/2613950/)
4. [Natural Selection 2](https://imho.run/games/4920/natural-selection-2) — A frequent pick in Test Subject players' libraries, and another Action. 5,398 Steam reviews, 85% positive. [Steam](https://store.steampowered.com/app/4920/)
5. [Sanctum 2](https://imho.run/games/210770/sanctum-2) — Also Aliens, like Test Subject. 4,330 Steam reviews, 92% positive. [Steam](https://store.steampowered.com/app/210770/)
6. [Punch A Bunch](https://imho.run/games/1512590/punch-a-bunch) — Also Boxing and 3D Fighter, like Test Subject. 844 Steam reviews, 75% positive. [Steam](https://store.steampowered.com/app/1512590/)
7. [Starship Troopers: Ultimate Bug War!](https://imho.run/games/2321780/starship-troopers-ultimate-bug-war) — Also Aliens and 1990's, like Test Subject. 727 Steam reviews, 94% positive. [Steam](https://store.steampowered.com/app/2321780/)
8. [Zeno Clash](https://imho.run/games/22200/zeno-clash) — Also Beat 'em up, like Test Subject. 1,428 Steam reviews, 89% positive. [Steam](https://store.steampowered.com/app/22200/)
9. [Quake](https://imho.run/games/2310/quake) — Also 1990's, like Test Subject. 9,755 Steam reviews, 96% positive. [Steam](https://store.steampowered.com/app/2310/)
10. [Titanfall® 2](https://imho.run/games/1237970/titanfall-2) — A frequent pick in Test Subject players' libraries, and another Action. 93,771 Steam reviews, 96% positive. [Steam](https://store.steampowered.com/app/1237970/)
11. [Dead Space](https://imho.run/games/1693980/dead-space) — Also Aliens, like Test Subject. 29,773 Steam reviews, 90% positive. [Steam](https://store.steampowered.com/app/1693980/)
12. [Ghostrunner](https://imho.run/games/1139900/ghostrunner) — A frequent pick in Test Subject players' libraries, and another Action. 19,213 Steam reviews, 91% positive. [Steam](https://store.steampowered.com/app/1139900/)
13. [Fallout: New Vegas](https://imho.run/games/22380/fallout-new-vegas) — A frequent pick in Test Subject players' libraries, and another RPG. 166,925 Steam reviews, 96% positive. [Steam](https://store.steampowered.com/app/22380/)
14. [DOOM Eternal](https://imho.run/games/782330/doom-eternal) — A frequent pick in Test Subject players' libraries, and another Action. 119,756 Steam reviews, 91% positive. [Steam](https://store.steampowered.com/app/782330/)
15. [Alien: Isolation](https://imho.run/games/214490/alien-isolation) — Also Aliens, like Test Subject. 26,101 Steam reviews, 92% positive. [Steam](https://store.steampowered.com/app/214490/)
16. [Cyberpunk 2077](https://imho.run/games/1091500/cyberpunk-2077) — A frequent pick in Test Subject players' libraries, and another RPG. 373,044 Steam reviews, 89% positive. [Steam](https://store.steampowered.com/app/1091500/)
17. [Deep Rock Galactic](https://imho.run/games/548430/deep-rock-galactic) — A frequent pick in Test Subject players' libraries, and another Action. 169,164 Steam reviews, 98% positive. [Steam](https://store.steampowered.com/app/548430/)
18. [Absolum](https://imho.run/games/1904480/absolum) — Also Beat 'em up, like Test Subject. 4,194 Steam reviews, 94% positive. [Steam](https://store.steampowered.com/app/1904480/)
19. [F.I.S.T.: Forged In Shadow Torch](https://imho.run/games/1330470/f-i-s-t-forged-in-shadow-torch) — A frequent pick in Test Subject players' libraries, and another Action. 721 Steam reviews, 87% positive. [Steam](https://store.steampowered.com/app/1330470/)
20. [High On Life 2](https://imho.run/games/2069250/high-on-life-2) — Also Aliens, like Test Subject. 1,566 Steam reviews, 70% positive. [Steam](https://store.steampowered.com/app/2069250/)
21. [Dishonored](https://imho.run/games/205100/dishonored) — A frequent pick in Test Subject players' libraries, and another Action. 1,699 Steam reviews, 97% positive. [Steam](https://store.steampowered.com/app/205100/)
22. [BioShock™ Remastered](https://imho.run/games/409710/bioshock-remastered) — A frequent pick in Test Subject players' libraries, and another RPG. 25,694 Steam reviews, 82% positive. [Steam](https://store.steampowered.com/app/409710/)
23. [SUPERHOT VR](https://imho.run/games/617830/superhot-vr) — A frequent pick in Test Subject players' libraries, and another Action. 5,741 Steam reviews, 80% positive. [Steam](https://store.steampowered.com/app/617830/)
24. [Neon White](https://imho.run/games/1533420/neon-white) — A frequent pick in Test Subject players' libraries, and another Action. 12,271 Steam reviews, 98% positive. [Steam](https://store.steampowered.com/app/1533420/)

## 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=3377390&n=20
- Co-op games only: https://imho.run/api/agent/games-like?q=3377390&n=20&coop=true
- Free games only: https://imho.run/api/agent/games-like?q=3377390&n=20&free=true
- Facts about this game: https://imho.run/api/agent/game-facts?q=3377390
- This page as markdown: https://imho.run/md/game/3377390
- API docs: https://imho.run/developers (OpenAPI: https://imho.run/openapi.json, MCP: https://imho.run/mcp)

## About Test Subject

An action-packed single-player FPS where you fight your way off an alien ship using fists and power-ups. Test your strength, wits, and resilience to survive and escape.

## Game info

- **AppID:** 3377390
- **Developer:** Autonomous Tree
- **Publisher:** Autonomous Tree
- **Genres:** Action, Indie
- **Categories:** Single-player, Family Sharing
- **Released:** Dec 17, 2024
- **Free to play:** no
- **Platforms:** windows

## Links

- [Full page with filters and more lists](https://imho.run/games/3377390/test-subject)
- [The same list as JSON, no key](https://imho.run/api/agent/games-like?q=3377390&n=20) — the API for AI assistants, see https://imho.run/developers
- [Steam store](https://store.steampowered.com/app/3377390/)
- [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/3377390/test-subject 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.*