# Games like Grey Goo

> The closest matches to Grey Goo: Supreme Commander 2, Earth 2160, Total Annihilation, Natural Selection 2, and Ashes of the Singularity: Escalation. 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. [Supreme Commander 2](https://imho.run/games/40100/supreme-commander-2) — Also Base-Building and Robots, like Grey Goo. 4,952 Steam reviews, 87% positive. [Steam](https://store.steampowered.com/app/40100/)
2. [Earth 2160](https://imho.run/games/1900/earth-2160) — Also Base-Building and Aliens, like Grey Goo. 327 Steam reviews, 60% positive. [Steam](https://store.steampowered.com/app/1900/)
3. [Total Annihilation](https://imho.run/games/298030/total-annihilation) — A frequent pick in Grey Goo players' libraries, and another Strategy. 2,497 Steam reviews, 97% positive. [Steam](https://store.steampowered.com/app/298030/)
4. [Natural Selection 2](https://imho.run/games/4920/natural-selection-2) — Also Competitive and Aliens, like Grey Goo. 5,398 Steam reviews, 85% positive. [Steam](https://store.steampowered.com/app/4920/)
5. [Ashes of the Singularity: Escalation](https://imho.run/games/507490/ashes-of-the-singularity-escalation) — Also Base-Building and RTS, like Grey Goo. 1,871 Steam reviews, 79% positive. [Steam](https://store.steampowered.com/app/507490/)
6. [Taur](https://imho.run/games/1227780/taur) — A frequent pick in Grey Goo players' libraries, and another Action. 1,193 Steam reviews, 78% positive. [Steam](https://store.steampowered.com/app/1227780/)
7. [Metal Fatigue](https://imho.run/games/888040/metal-fatigue) — Also Mechs and Robots, like Grey Goo. 236 Steam reviews, 92% positive. [Steam](https://store.steampowered.com/app/888040/)
8. [Planetary Annihilation: TITANS](https://imho.run/games/386070/planetary-annihilation-titans) — Also Base-Building and Robots, like Grey Goo. 7,291 Steam reviews, 86% positive. [Steam](https://store.steampowered.com/app/386070/)
9. [Age of Empires II (Retired)](https://imho.run/games/221380/age-of-empires-ii-retired) — Also Competitive and Base-Building, like Grey Goo. 36,634 Steam reviews, 95% positive. [Steam](https://store.steampowered.com/app/221380/)
10. [Startopia](https://imho.run/games/243040/startopia) — A frequent pick in Grey Goo players' libraries, and another Simulation. 649 Steam reviews, 91% positive. [Steam](https://store.steampowered.com/app/243040/)
11. [Eximius: Seize the Frontline](https://imho.run/games/505740/eximius-seize-the-frontline) — Shares asymmetrical factions with Grey Goo. 367 Steam reviews, 75% positive. [Steam](https://store.steampowered.com/app/505740/)
12. [8-Bit Armies](https://imho.run/games/427250/8-bit-armies) — Also Base-Building and RTS, like Grey Goo. 1,179 Steam reviews, 80% positive. [Steam](https://store.steampowered.com/app/427250/)
13. [Iron Harvest](https://imho.run/games/826630/iron-harvest) — Also Mechs and Base-Building, like Grey Goo. 6,065 Steam reviews, 75% positive. [Steam](https://store.steampowered.com/app/826630/)
14. [Halo Wars: Definitive Edition](https://imho.run/games/459220/halo-wars-definitive-edition) — Also Base-Building and Aliens, like Grey Goo. 5,835 Steam reviews, 92% positive. [Steam](https://store.steampowered.com/app/459220/)
15. [Infested Planet](https://imho.run/games/204530/infested-planet) — Also Aliens and RTS, like Grey Goo. 1,860 Steam reviews, 95% positive. [Steam](https://store.steampowered.com/app/204530/)
16. [Spacebase Startopia](https://imho.run/games/840390/spacebase-startopia) — Also Base-Building and RTS, like Grey Goo. 234 Steam reviews, 50% positive. [Steam](https://store.steampowered.com/app/840390/)
17. [Tempest Rising](https://imho.run/games/1486920/tempest-rising) — Also Base-Building and RTS, like Grey Goo. 12,332 Steam reviews, 87% positive. [Steam](https://store.steampowered.com/app/1486920/)
18. [DG2: Defense Grid 2](https://imho.run/games/221540/dg2-defense-grid-2) — Also Aliens and RTS, like Grey Goo. 1,787 Steam reviews, 86% positive. [Steam](https://store.steampowered.com/app/221540/)
19. [Codex of Victory](https://imho.run/games/464100/codex-of-victory) — Also Mechs and Base-Building, like Grey Goo. 104 Steam reviews, 61% positive. [Steam](https://store.steampowered.com/app/464100/)
20. [Armed to the Gears](https://imho.run/games/804870/armed-to-the-gears) — Also Mechs and Base-Building, like Grey Goo. 120 Steam reviews, 63% positive. [Steam](https://store.steampowered.com/app/804870/)
21. [SPACECOM](https://imho.run/games/263860/spacecom) — Also Competitive and RTS, like Grey Goo. 97 Steam reviews, 64% positive. [Steam](https://store.steampowered.com/app/263860/)
22. [Frontline Crisis](https://imho.run/games/3139620/frontline-crisis) — Also Mechs and Base-Building, like Grey Goo. 134 Steam reviews, 91% positive. [Steam](https://store.steampowered.com/app/3139620/)
23. [Command & Conquer 3 Tiberium Wars™](https://imho.run/games/24790/command-conquer-3-tiberium-wars) — Also Base-Building and RTS, like Grey Goo. 4,321 Steam reviews, 89% positive. [Steam](https://store.steampowered.com/app/24790/)
24. [BATTLETECH](https://imho.run/games/637090/battletech) — Also Mechs and Robots, like Grey Goo. 18,004 Steam reviews, 85% positive. [Steam](https://store.steampowered.com/app/637090/)

## 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=290790&n=20
- Co-op games only: https://imho.run/api/agent/games-like?q=290790&n=20&coop=true
- Free games only: https://imho.run/api/agent/games-like?q=290790&n=20&free=true
- Facts about this game: https://imho.run/api/agent/game-facts?q=290790
- This page as markdown: https://imho.run/md/game/290790
- API docs: https://imho.run/developers (OpenAPI: https://imho.run/openapi.json, MCP: https://imho.run/mcp)

## About Grey Goo

Grey Goo is a 2015 sci-fi strategy game developed by Petroglyph and Six Foot. It is a traditional RTS with three asymmetrical factions, each offering different strategic approaches and unit types. Players who enjoy classic real-time strategy games describe it as nostalgic, and reviewers highlight the deep strategies and counter-strategies that emerge from its faction design. The lengthy campaign provides worldbuilding across its missions, while tactical positioning matters significantly in engagements. The unique goo faction draws particular attention for its distinctive gameplay feel, and players note the stellar voice work throughout. Currently priced at $29.99, the game holds a 69% positive rating from 1,887 Steam reviews and is marked as playable on Steam Deck.

## Game info

- **AppID:** 290790
- **Developer:** Petroglyph, Six Foot
- **Publisher:** Six Foot, Grey Box
- **Genres:** Strategy
- **Categories:** Multi-player, Stats, Includes level editor, Single-player, Steam Achievements, Steam Cloud, Steam Leaderboards, Steam Trading Cards, Steam Workshop, Family Sharing, Valve Anti-Cheat enabled
- **Released:** Jan 23, 2015
- **Free to play:** no
- **Metacritic:** 77
- **Platforms:** windows

## Links

- [Full page with filters and more lists](https://imho.run/games/290790/grey-goo)
- [The same list as JSON, no key](https://imho.run/api/agent/games-like?q=290790&n=20) — the API for AI assistants, see https://imho.run/developers
- [Steam store](https://store.steampowered.com/app/290790/)
- [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/290790/grey-goo 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.*