Choose Grey Goo
Choose Grey Goo if you want the Steam Leaderboards and Valve Anti-Cheat enabled side of the pairing. 1,887 Steam reviews back the pick.
Grey Goo vs Metal Fatigue
Grey Goo and Metal Fatigue both land in Strategy on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Strategy games on Steam. Grey Goo (2015) is 3 years older than Metal Fatigue (2018). Metal Fatigue scores higher on Steam reviews (92.4% positive) than Grey Goo (68.7% positive). No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.
Which should you pick?
Choose Metal Fatigue
Choose Metal Fatigue if you want the Shared/Split Screen PvP and PvP side of the pairing. On Steam, it carries the stronger Steam consensus at 92.4% positive across 236 reviews.
Both Grey Goo and Metal Fatigue sit in Strategy on Steam and both list Multi-player, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.
Side-by-side comparison
 Grey Goo |  Metal Fatigue | |
|---|---|---|
| Released | 2015 | 2018 |
| Genres | Strategy | Strategy |
| Platforms | Windows | Windows |
| Steam Deck | Deck Playable | Unrated |
| Price | 29.99 USD | 5.99 USD |
| Steam reviews | 68.7% positive (1,887 reviews) | 92.4% positive (236 reviews) |
| Multiplayer | Multi-player | Multi-player |
| Developers | Petroglyph, Six Foot | Zono |
Side by side
- Both are Strategy games on Steam.
- Grey Goo (2015) is 3 years older than Metal Fatigue (2018).
- Metal Fatigue scores higher on Steam reviews (92.4% positive) than Grey Goo (68.7% positive).
- Metal Fatigue is currently ~80% cheaper on Steam than Grey Goo (5.99 USD vs. 29.99 USD).
- Grey Goo is Deck Playable on Steam Deck; Metal Fatigue has no Deck rating yet.
Grey Goo vs Metal Fatigue — FAQ
- Which is better, Grey Goo or Metal Fatigue?
- On Steam reviews Metal Fatigue scores higher (92.4% positive) than Grey Goo (68.7% positive). Both have enough reviews to trust the signal, so for players using reviews alone, Metal Fatigue is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
- Should I play Grey Goo or Metal Fatigue first?
- If you want chronology, Grey Goo (2015) came out before Metal Fatigue (2018). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
- Are Grey Goo and Metal Fatigue similar?
- They overlap on Strategy on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
- Does Grey Goo run on Steam Deck?
- Yes — Grey Goo is rated Deck Playable by Valve. Metal Fatigue doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.