Choose SOMA
Choose SOMA if you want an Action 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 Parasite Tunnel
SOMA and Parasite Tunnel both land in 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 Indie, Adventure on Steam. SOMA (2015) is 10 years older than Parasite Tunnel (2025). Parasite Tunnel is currently ~33% cheaper on Steam than SOMA (3.99 USD vs. 5.99 USD). 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 Parasite Tunnel
Choose Parasite Tunnel if you want a Simulation experience. On Steam, it's currently about 33% cheaper on the Steam Store. Parasite Tunnel launched in 2025.
Both SOMA and Parasite Tunnel sit in Indie 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 |  Parasite Tunnel | |
|---|---|---|
| Released | 2015 | 2025 |
| Genres | Action, Indie, Adventure | Indie, Adventure, Simulation |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 5.99 USD | 3.99 USD |
| Steam reviews | 95.8% positive (23,563 reviews) | 2 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Frictional Games | TAYUTA CREATE |
Side by side
- Both share Indie, Adventure on Steam.
- SOMA (2015) is 10 years older than Parasite Tunnel (2025).
- Parasite Tunnel is currently ~33% cheaper on Steam than SOMA (3.99 USD vs. 5.99 USD).
- SOMA is Deck Verified on Steam Deck; Parasite Tunnel has no Deck rating yet.
SOMA vs Parasite Tunnel — FAQ
- Should I play SOMA or Parasite Tunnel first?
- If you want chronology, SOMA (2015) came out before Parasite Tunnel (2025). 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 Parasite Tunnel similar?
- They overlap on 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 SOMA run on Steam Deck?
- Yes — SOMA is rated Deck Verified by Valve. Parasite Tunnel doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.