Choose Poly Backrooms
Choose Poly Backrooms if you want an Action game with Online Co-op. Poly Backrooms launched in 2023.
Poly Backrooms vs Redemption: The Sin Eternal
Poly Backrooms and Redemption: The Sin Eternal both land in Indie, Adventure, 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 Indie, Adventure, Early Access on Steam. Both support cooperative play. 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 Redemption: The Sin Eternal
Choose Redemption: The Sin Eternal if you want the Shared/Split Screen, Shared/Split Screen Co-op, and Playable without Timed Input side of the pairing.
Both Poly Backrooms and Redemption: The Sin Eternal sit in Indie, Adventure, and Early Access on Steam and both list Multi-player 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
 Poly Backrooms |  Redemption: The Sin Eternal | |
|---|---|---|
| Released | 2023 | — |
| Genres | Action, Indie, Adventure, Early Access | Indie, Adventure, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 6.99 USD | Price unknown |
| Steam reviews | 5 reviews | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Creepy Pixel Studio | Split Screen Wizard Games |
Side by side
- Both share Indie, Adventure, Early Access on Steam.
- Both support cooperative play.
Poly Backrooms vs Redemption: The Sin Eternal — FAQ
- Are Poly Backrooms and Redemption: The Sin Eternal similar?
- They overlap on Indie, Adventure, 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 Poly Backrooms and Redemption: The Sin Eternal have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Poly Backrooms ships Online Co-op, Co-op; Redemption: The Sin Eternal ships Shared/Split Screen Co-op, Co-op.