Choose Core Keeper
Choose Core Keeper if you want a RPG game with Multi-player, Online Co-op, and Co-op. On Steam, it's Steam Deck Verified, so handheld play works out of the box. 22,806 Steam reviews back the pick.
Core Keeper vs Lunara: Planet IX
Core Keeper and Lunara: Planet IX both land in Action, Indie, 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 share Action, Indie, Adventure on Steam. Both released in 2024. Lunara: Planet IX is currently ~95% cheaper on Steam than Core Keeper (0.99 USD vs. 19.99 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 Lunara: Planet IX
Choose Lunara: Planet IX if you want a Casual experience. On Steam, it's currently about 95% cheaper on the Steam Store. Lunara: Planet IX launched in 2024.
Both Core Keeper and Lunara: Planet IX sit in Action, Indie, and 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
 Core Keeper |  Lunara: Planet IX | |
|---|---|---|
| Released | 2024 | 2024 |
| Genres | Action, Indie, Adventure, Simulation, RPG | Action, Indie, Adventure, Simulation, Casual |
| Platforms | Windows, Linux | Windows |
| Steam Deck | Deck Verified | Unrated |
| Price | 19.99 USD | 0.99 USD |
| Steam reviews | 94.8% positive (22,806 reviews) | 4 reviews |
| Multiplayer | Multi-player, Online Co-op, Co-op | Single-player only |
| Developers | Pugstorm | Luamar Games |
Side by side
- Both share Action, Indie, Adventure on Steam.
- Both released in 2024.
- Lunara: Planet IX is currently ~95% cheaper on Steam than Core Keeper (0.99 USD vs. 19.99 USD).
- Core Keeper has co-op; Lunara: Planet IX does not.
- Core Keeper is Deck Verified on Steam Deck; Lunara: Planet IX has no Deck rating yet.
Core Keeper vs Lunara: Planet IX — FAQ
- Are Core Keeper and Lunara: Planet IX similar?
- They overlap on Action, Indie, 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 Lunara: Planet IX have multiplayer like Core Keeper?
- No. Core Keeper supports multiplayer on Steam (Multi-player, Online Co-op, Co-op), while Lunara: Planet IX is listed as single-player only.
- Does Core Keeper run on Steam Deck?
- Yes — Core Keeper is rated Deck Verified by Valve. Lunara: Planet IX doesn't have a Deck rating yet, so its Deck behaviour is currently unverified.