Choose SOMA
Choose SOMA if you want an Indie experience. On Steam, it carries the stronger Steam consensus at 95.8% positive across 23,563 reviews.
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). SOMA scores higher on Steam reviews (95.8% positive) than The Mound: Omen of Cthulhu (68.1% positive). 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 DualShock Controller Support side of the pairing. On Steam, it's currently about 20% cheaper on the Steam Store. 2,777 Steam reviews back the pick.
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 | 23.99 USD |
| Steam reviews | 95.8% positive (23,563 reviews) | 68.1% positive (2,777 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).
- SOMA scores higher on Steam reviews (95.8% positive) than The Mound: Omen of Cthulhu (68.1% positive).
- The Mound: Omen of Cthulhu is currently ~20% cheaper on Steam than SOMA (23.99 USD vs. 29.99 USD).
- 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
- Which is better, SOMA or The Mound: Omen of Cthulhu?
- On Steam reviews SOMA scores higher (95.8% positive) than The Mound: Omen of Cthulhu (68.1% positive). Both have enough reviews to trust the signal, so for players using reviews alone, SOMA is the safer pick. Genre fit still matters — check the side-by-side table for the categories each game lands in.
- 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.