Choose Proteus
Choose Proteus if you want an Adventure experience. 1,160 Steam reviews back the pick.
Proteus vs Poseidon
Proteus and Poseidon both land in Indie, Casual 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, Casual on Steam. Proteus (2013) is 11 years older than Poseidon (2024). Poseidon is currently ~90% cheaper on Steam than Proteus (0.99 USD vs. 9.99 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 Poseidon
Choose Poseidon if you want a Simulation experience. On Steam, it's currently about 90% cheaper on the Steam Store. Poseidon launched in 2024.
Both Proteus and Poseidon sit in Indie and Casual 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
 Proteus |  Poseidon | |
|---|---|---|
| Released | 2013 | 2024 |
| Genres | Indie, Adventure, Casual | Indie, Simulation, Casual |
| Platforms | Windows, macOS, Linux | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 9.99 USD | 0.99 USD |
| Steam reviews | 82.9% positive (1,160 reviews) | 2 reviews |
| Multiplayer | Single-player only | Single-player only |
| Developers | Ed Key and David Kanaga | Ghost_RUS Games |
Side by side
- Both share Indie, Casual on Steam.
- Proteus (2013) is 11 years older than Poseidon (2024).
- Poseidon is currently ~90% cheaper on Steam than Proteus (0.99 USD vs. 9.99 USD).
Proteus vs Poseidon — FAQ
- Should I play Proteus or Poseidon first?
- If you want chronology, Proteus (2013) came out before Poseidon (2024). 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 Proteus and Poseidon similar?
- They overlap on Indie, Casual 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.