Choose Unknown Planet
Choose Unknown Planet if you want an Adventure experience. On Steam, it's currently about 33% cheaper on the Steam Store. Unknown Planet launched in 2023.
Unknown Planet vs Eventide Matter
Unknown Planet and Eventide Matter both land in 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 are Indie games on Steam. Unknown Planet (2023) is 2 years older than Eventide Matter (2025). Both sit near 96% positive on Steam (Unknown Planet: 26 reviews, Eventide Matter: 622). 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 Eventide Matter
Choose Eventide Matter if you want an Action and RPG game with Camera Comfort, Playable without Timed Input, and Save Anytime. On Steam, it's Steam Deck Verified, so handheld play works out of the box. Eventide Matter launched in 2025.
Both Unknown Planet and Eventide Matter sit in Indie on Steam, so either pick lands in the same broad neighborhood. Steam reviews are nearly tied (96.2% vs 95.5% positive), so genre fit is the cleanest tiebreaker — scroll the table for the feature-by-feature view.
Side-by-side comparison
 Unknown Planet |  Eventide Matter | |
|---|---|---|
| Released | 2023 | 2025 |
| Genres | Indie, Adventure | Action, Indie, RPG |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Deck Verified |
| Price | 3.99 USD | 5.99 USD |
| Steam reviews | 96.2% positive (26 reviews) | 95.5% positive (622 reviews) |
| Multiplayer | Single-player only | Single-player only |
| Developers | Synthetic Games | Ottropi Games |
Side by side
- Both are Indie games on Steam.
- Unknown Planet (2023) is 2 years older than Eventide Matter (2025).
- Both sit near 96% positive on Steam (Unknown Planet: 26 reviews, Eventide Matter: 622).
- Unknown Planet is currently ~33% cheaper on Steam than Eventide Matter (3.99 USD vs. 5.99 USD).
- Eventide Matter is Deck Verified on Steam Deck; Unknown Planet has no Deck rating yet.
Unknown Planet vs Eventide Matter — FAQ
- Should I play Unknown Planet or Eventide Matter first?
- If you want chronology, Unknown Planet (2023) came out before Eventide Matter (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 Unknown Planet and Eventide Matter similar?
- They overlap on 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.