Choose SOMA
Choose SOMA if you want an Indie experience. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 23,563 Steam reviews back the pick.
SOMA vs The Mound: Omen of Cthulhu
SOMA and The Mound: Omen of Cthulhu both land in Action, 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, Adventure on Steam. SOMA (2015) is 11 years older than The Mound: Omen of Cthulhu (2026). The Mound: Omen of Cthulhu has co-op; SOMA does not. 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 The Mound: Omen of Cthulhu
Choose The Mound: Omen of Cthulhu if you want the Multi-player, Online Co-op, and Co-op side of the pairing. On Steam, it's the newer release (2026) and ships with the modern feature baseline. The Mound: Omen of Cthulhu launched in 2026.
Both SOMA and The Mound: Omen of Cthulhu sit in Action and Adventure on Steam, 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
 SOMA |  The Mound: Omen of Cthulhu | |
|---|---|---|
| Released | 2015 | 2026 |
| Genres | Action, Indie, Adventure | Action, Adventure |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 29.99 USD | Price unknown |
| Steam reviews | 95.8% positive (23,563 reviews) | — |
| Multiplayer | Single-player only | Multi-player, Online Co-op, Co-op |
| Developers | Frictional Games | ACE Team |
Side by side
- Both share Action, Adventure on Steam.
- SOMA (2015) is 11 years older than The Mound: Omen of Cthulhu (2026).
- The Mound: Omen of Cthulhu has co-op; SOMA does not.
- SOMA is Deck Verified on Steam Deck; The Mound: Omen of Cthulhu has no Deck rating yet.
SOMA vs The Mound: Omen of Cthulhu — FAQ
- Should I play SOMA or The Mound: Omen of Cthulhu first?
- If you want chronology, SOMA (2015) came out before The Mound: Omen of Cthulhu (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 SOMA and The Mound: Omen of Cthulhu similar?
- They overlap on Action, 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 SOMA have multiplayer like The Mound: Omen of Cthulhu?
- No. The Mound: Omen of Cthulhu supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while SOMA is listed as single-player only.
- Does SOMA run on Steam Deck?
- Yes — SOMA is rated Deck Verified by Valve. The Mound: Omen of Cthulhu doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.