Choose Space Impossible
Choose Space Impossible if you want an Adventure and Early Access game with Multi-player, Online PvP, and Online Co-op. On Steam, it has co-op, so you can bring a friend. Space Impossible launched in 2016.
Space Impossible vs Event Horizon
Space Impossible and Event Horizon both land in Action, Indie 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, Indie on Steam. Space Impossible (2016) is 2 years older than Event Horizon (2018). Space Impossible scores higher on Steam reviews (93.4% positive) than Event Horizon (75% 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 Event Horizon
Choose Event Horizon if you want a RPG experience. On Steam, it's currently about 54% cheaper on the Steam Store. Event Horizon launched in 2018.
Both Space Impossible and Event Horizon sit in Action and Indie 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
 Space Impossible |  Event Horizon | |
|---|---|---|
| Released | 2016 | 2018 |
| Genres | Action, Indie, Adventure, Early Access | Action, Indie, RPG |
| Platforms | Windows, macOS, Linux | Windows, macOS, Linux |
| Steam Deck | Unrated | Deck Playable |
| Price | 12.99 USD | 5.99 USD |
| Steam reviews | 93.4% positive (91 reviews) | 75% positive (44 reviews) |
| Multiplayer | Multi-player, Cross-Platform Multiplayer, Online Co-op | Single-player only |
| Developers | Happy Polygon | Pavel Zinchenko |
Side by side
- Both share Action, Indie on Steam.
- Space Impossible (2016) is 2 years older than Event Horizon (2018).
- Space Impossible scores higher on Steam reviews (93.4% positive) than Event Horizon (75% positive).
- Event Horizon is currently ~54% cheaper on Steam than Space Impossible (5.99 USD vs. 12.99 USD).
- Space Impossible has co-op; Event Horizon does not.
- Event Horizon is Deck Playable on Steam Deck; Space Impossible has no Deck rating yet.
Space Impossible vs Event Horizon — FAQ
- Should I play Space Impossible or Event Horizon first?
- If you want chronology, Space Impossible (2016) came out before Event Horizon (2018). 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 Space Impossible and Event Horizon similar?
- They overlap on Action, Indie 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 Event Horizon have multiplayer like Space Impossible?
- No. Space Impossible supports multiplayer on Steam (Multi-player, Cross-Platform Multiplayer, Online Co-op), while Event Horizon is listed as single-player only.