Choose ICARUS
Choose ICARUS if you want an Action and Simulation game with Multi-player, Online Co-op, and Co-op. On Steam, it has co-op, so you can bring a friend. 29,233 Steam reviews back the pick.
ICARUS vs Unknown Planet
ICARUS and Unknown Planet both land in 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 are Adventure games on Steam. ICARUS (2021) is 2 years older than Unknown Planet (2023). Unknown Planet scores higher on Steam reviews (96.2% positive) than ICARUS (76.9% 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 Unknown Planet
Choose Unknown Planet if you want an Indie experience. On Steam, it's currently about 89% cheaper on the Steam Store. Unknown Planet launched in 2023.
Both ICARUS and Unknown Planet sit in 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
 ICARUS |  Unknown Planet | |
|---|---|---|
| Released | 2021 | 2023 |
| Genres | Action, Adventure, Simulation | Indie, Adventure |
| Platforms | Windows | Windows |
| Steam Deck | Deck Unsupported | Unrated |
| Price | 34.99 USD | 3.99 USD |
| Steam reviews | 76.9% positive (29,233 reviews) | 96.2% positive (26 reviews) |
| Multiplayer | Multi-player, Online Co-op, Co-op | Single-player only |
| Developers | RocketWerkz | Synthetic Games |
Side by side
- Both are Adventure games on Steam.
- ICARUS (2021) is 2 years older than Unknown Planet (2023).
- Unknown Planet scores higher on Steam reviews (96.2% positive) than ICARUS (76.9% positive).
- Unknown Planet is currently ~89% cheaper on Steam than ICARUS (3.99 USD vs. 34.99 USD).
- ICARUS has co-op; Unknown Planet does not.
- ICARUS is Deck Unsupported on Steam Deck; Unknown Planet has no Deck rating yet.
ICARUS vs Unknown Planet — FAQ
- Should I play ICARUS or Unknown Planet first?
- If you want chronology, ICARUS (2021) came out before Unknown Planet (2023). 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 ICARUS and Unknown Planet similar?
- They overlap on 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 Unknown Planet have multiplayer like ICARUS?
- No. ICARUS supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while Unknown Planet is listed as single-player only.