Choose Abyssus
Choose Abyssus if you want the Multi-player, Online Co-op, and Co-op side of the pairing. On Steam, it has co-op, so you can bring a friend. 2,880 Steam reviews back the pick.
Abyssus vs Atmos
Abyssus and Atmos both land in Action, Indie, Adventure 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, Adventure on Steam. Abyssus has co-op; Atmos does not. Abyssus is Deck Playable on Steam Deck; Atmos 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 Atmos
Choose Atmos if you want the Stereo Sound, Playable without Timed Input, and Adjustable Difficulty side of the pairing. On Steam, it's a focused single-player run rather than a multiplayer commitment.
Both Abyssus and Atmos sit in Action, Indie, and Adventure on Steam and both list Custom Volume Controls, 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
 Abyssus |  Atmos | |
|---|---|---|
| Released | 2025 | — |
| Genres | Action, Indie, Adventure | Action, Indie, Adventure |
| Platforms | Windows | Windows, Linux |
| Steam Deck | Deck Playable | Unrated |
| Price | 24.99 USD | Price unknown |
| Steam reviews | 87.5% positive (2,880 reviews) | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Single-player only |
| Developers | DoubleMoose Games | pinkius |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Abyssus has co-op; Atmos does not.
- Abyssus is Deck Playable on Steam Deck; Atmos has no Deck rating yet.
Abyssus vs Atmos — FAQ
- Are Abyssus and Atmos similar?
- They overlap on Action, Indie, Adventure 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 Atmos have multiplayer like Abyssus?
- No. Abyssus supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while Atmos is listed as single-player only.
- Does Abyssus run on Steam Deck?
- Yes — Abyssus is rated Deck Playable by Valve. Atmos doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.