Choose Unknown Castle
Choose Unknown Castle if you want an Adventure experience. On Steam, it's currently about 44% cheaper on the Steam Store. Unknown Castle launched in 2019.
Unknown Castle vs Gemima
Unknown Castle and Gemima 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. Unknown Castle (2019) is 6 years older than Gemima (2025). Unknown Castle is currently ~44% cheaper on Steam than Gemima (4.99 USD vs. 8.99 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 Gemima
Choose Gemima if you want the Custom Volume Controls, Adjustable Difficulty, and Save Anytime side of the pairing. On Steam, it's the newer release (2025) and ships with the modern feature baseline. Gemima launched in 2025.
Both Unknown Castle and Gemima sit in Indie and Casual on Steam and both list Multi-player, Shared/Split Screen, and Shared/Split Screen Co-op, 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
 Unknown Castle |  Gemima | |
|---|---|---|
| Released | 2019 | 2025 |
| Genres | Indie, Adventure, Casual | Indie, Casual |
| Platforms | Windows, Linux | Windows |
| Steam Deck | Unrated | Unrated |
| Price | 4.99 USD | 8.99 USD |
| Steam reviews | 1 reviews | 3 reviews |
| Multiplayer | Multi-player, Shared/Split Screen Co-op, Co-op | Multi-player, Shared/Split Screen Co-op, Co-op |
| Developers | Pikku-a | FunLittleGames LTD |
Side by side
- Both share Indie, Casual on Steam.
- Unknown Castle (2019) is 6 years older than Gemima (2025).
- Unknown Castle is currently ~44% cheaper on Steam than Gemima (4.99 USD vs. 8.99 USD).
- Both support cooperative play.
Unknown Castle vs Gemima — FAQ
- Should I play Unknown Castle or Gemima first?
- If you want chronology, Unknown Castle (2019) came out before Gemima (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 Castle and Gemima 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.
- Do both Unknown Castle and Gemima have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Unknown Castle ships Shared/Split Screen Co-op, Co-op; Gemima ships Shared/Split Screen Co-op, Co-op.