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Cosmic Star Heroine
#2564603 exotic planets to explore. Aliens. Robots. Magic. Forbidden technology. Ruined Worlds. Ghosts. Long-lost secrets. Conspiracies. A galactic threat. And one brave heroine to make things right. Cosmic Star Heroine is an exciting new RPG from the creators of Cthulhu Saves the World.
Recommendation
ProtonGreat
Needs confirmationMedium confidence
Only Proton reports exist so far.
Last report Jan 19, 2026
Compatibility
Proton
Great
Needs confirmationMedium confidence
16 reports · Medium confidence: more recent reports would firm this up.
NativeNone
No native Linux build — Proton only
Anti-cheatUnknown
No anti-cheat reports yet
Reports(16)
Most of this is historical ProtonDB data (newest from Jan 19, 2026) and needs a fresh report to confirm it still holds.
Add a fresh reportShowing 15 of 16 reports
- GreatProtonDesktopHistoricalJan 19, 2026
- GreatProtonDesktopHistoricalJan 11, 2026
- GreatProtonDesktopHistoricalMar 1, 2025
- GreatProtonDesktopHistoricalDec 31, 2024
- GreatProtonDesktopHistoricalJun 18, 2024
- GreatProtonDesktopHistoricalApr 21, 2024
- GreatProtonDesktopHistoricalFeb 21, 2024
- PlayableProtonDesktopHistoricalOct 12, 2022
- PerfectProtonDesktopHistoricalApr 20, 2022
- GreatProtonDesktopHistoricalDec 20, 2021
- BrokenProtonDesktopHistoricalFeb 27, 2021
- Needs TweaksProtonDesktopHistoricalAug 18, 2020
- GreatProtonDesktopHistoricalJul 3, 2020
- BrokenProtonDesktopHistoricalJun 10, 2020
- BrokenProtonDesktopHistoricalMar 4, 2020