Choose ATLYSS
Choose ATLYSS if you want a Casual game with Online PvP and PvP. 14,926 Steam reviews back the pick.
ATLYSS vs FriendOS
ATLYSS and FriendOS 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. ATLYSS (2024) is 2 years older than FriendOS (2026). 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 FriendOS
Choose FriendOS if you want a Massively Multiplayer game with Camera Comfort, Custom Volume Controls, and Stereo Sound. FriendOS launched in 2026.
Both ATLYSS and FriendOS sit in Action, Indie, and Adventure 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
 ATLYSS |  FriendOS | |
|---|---|---|
| Released | 2024 | 2026 |
| Genres | Action, Indie, Adventure, RPG, Casual, Early Access | Action, Indie, Adventure, Massively Multiplayer, RPG, Early Access |
| Platforms | Windows | Windows, Linux |
| Steam Deck | Deck Playable | Unrated |
| Price | 9.99 USD | Price unknown |
| Steam reviews | 96.9% positive (14,926 reviews) | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Co-op |
| Developers | Kiseff | Dog in the Machine |
Side by side
- Both share Action, Indie, Adventure on Steam.
- ATLYSS (2024) is 2 years older than FriendOS (2026).
- Both support cooperative play.
- ATLYSS is Deck Playable on Steam Deck; FriendOS has no Deck rating yet.
ATLYSS vs FriendOS — FAQ
- Should I play ATLYSS or FriendOS first?
- If you want chronology, ATLYSS (2024) came out before FriendOS (2026). 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 ATLYSS and FriendOS 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.
- Do both ATLYSS and FriendOS have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: ATLYSS ships Online Co-op, Co-op; FriendOS ships Online Co-op, Co-op.
- Does ATLYSS run on Steam Deck?
- Yes — ATLYSS is rated Deck Playable by Valve. FriendOS doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.