Choose MIMESIS
Choose MIMESIS if you want an Adventure and Casual experience. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 1,794 Steam reviews back the pick.
MIMESIS vs Ultimate Backrooms
MIMESIS and Ultimate Backrooms both land in Action, Indie, Early Access 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 share Action, Indie, Early Access on Steam. Both support cooperative play. MIMESIS is Deck Verified on Steam Deck; Ultimate Backrooms has no Deck rating yet. 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 Ultimate Backrooms
Choose Ultimate Backrooms if you want the Stereo Sound and Playable without Timed Input side of the pairing.
Both MIMESIS and Ultimate Backrooms sit in Action, Indie, and Early Access on Steam and both list Multi-player, Online Co-op, and Co-op, 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
 MIMESIS |  Ultimate Backrooms | |
|---|---|---|
| Released | 2025 | — |
| Genres | Action, Indie, Adventure, Casual, Early Access | Action, Indie, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 9.99 USD | Price unknown |
| Steam reviews | 79.2% positive (1,794 reviews) | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Co-op |
| Developers | ReLU Games, Inc. | KarArts |
Side by side
- Both share Action, Indie, Early Access on Steam.
- Both support cooperative play.
- MIMESIS is Deck Verified on Steam Deck; Ultimate Backrooms has no Deck rating yet.
MIMESIS vs Ultimate Backrooms — FAQ
- Are MIMESIS and Ultimate Backrooms similar?
- They overlap on Action, Indie, Early Access 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.
- Do both MIMESIS and Ultimate Backrooms have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: MIMESIS ships Online Co-op, Co-op; Ultimate Backrooms ships Online Co-op, Co-op.
- Does MIMESIS run on Steam Deck?
- Yes — MIMESIS is rated Deck Verified by Valve. Ultimate Backrooms doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.