IMHO.

Games like M.A.S.S. Builder

Commander, customize and build your Mechanical Assault Skeleton Suit (M.A.S.S.) and lead the fight against an alien invasion bent on exterminating the human race. The fate of humanity is in your hands.

2025ActionStrategyIndieRPG24.99 USDDeck PlayableWindowsby Vermillion Digital
M.A.S.S. Builder header

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Frequently asked about M.A.S.S. Builder

Does M.A.S.S. Builder run on Steam Deck?
M.A.S.S. Builder is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
How much does M.A.S.S. Builder cost?
M.A.S.S. Builder is listed on Steam at 24.99 USD (current store price; Steam sales may reduce this temporarily).
Does M.A.S.S. Builder have multiplayer or co-op?
Yes — M.A.S.S. Builder supports multi-player play according to its Steam store listing (Multi-player, Online Co-op, Co-op).
What games are most similar to M.A.S.S. Builder?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside M.A.S.S. Builder are GUNDAM BREAKER 4, SD GUNDAM BATTLE ALLIANCE, DAEMON X MACHINA.
Who developed M.A.S.S. Builder?
M.A.S.S. Builder was developed by Vermillion Digital and published by Sekai Project.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on M.A.S.S. Builder.

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