Choose Masterstone
Choose Masterstone if you want an Adventure and Early Access game with Steam Leaderboards, Steam Input API Support, and Playable without Timed Input.
Masterstone vs Kernel Hearts
Masterstone and Kernel Hearts both land in Action, Indie, RPG 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, RPG on Steam. Both support cooperative play. 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 Kernel Hearts
Choose Kernel Hearts if you want the DualShock Controller Support, DualSense Controller Support, and Gamepad Recommended side of the pairing. Kernel Hearts launched in 2026.
Both Masterstone and Kernel Hearts sit in Action, Indie, and RPG on Steam and both list Multi-player, Online Co-op, and Camera Comfort, 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
 Masterstone |  Kernel Hearts | |
|---|---|---|
| Released | — | 2026 |
| Genres | Action, Indie, Adventure, RPG, Early Access | Action, Indie, RPG |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | 17.99 USD |
| Steam reviews | — | 76.7% positive (202 reviews) |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Cross-Platform Multiplayer, Online Co-op |
| Developers | Master Technologies | Ephemera Games |
Side by side
- Both share Action, Indie, RPG on Steam.
- Both support cooperative play.
Masterstone vs Kernel Hearts — FAQ
- Are Masterstone and Kernel Hearts similar?
- They overlap on Action, Indie, RPG 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 Masterstone and Kernel Hearts have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Masterstone ships Online Co-op, Co-op; Kernel Hearts ships Online Co-op, Co-op.