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The Citadel
#1378290The Citadel is a brutal first person shooter, and a love letter to classic games such as Marathon, Doom and Wolfenstein 3d. Descend into the depths of a dark citadel, and fight through 6 Episodes and 30 levels of action packed with 6 challenging bosses. Go forth, Martyr.
Recommendation
ProtonGreat
CurrentMedium confidence
Only Proton reports exist so far.
Last report May 14, 2026
Compatibility
Proton
Great
CurrentMedium confidence
25 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(25)
Most reports here are historical ProtonDB imports — be the first to add a fresh The Citadel report.
Add a fresh reportShowing 15 of 25 reports
- GreatProtonDesktopHistoricalMay 14, 2026
- GreatProtonDesktopHistoricalApr 25, 2026
- PerfectProtonDesktopHistoricalFeb 18, 2026
- GreatProtonDesktopHistoricalDec 6, 2025
- PerfectProtonDesktopHistoricalNov 14, 2025
- GreatProtonDesktopHistoricalJul 9, 2025
- BrokenProtonDesktopHistoricalFeb 6, 2025
- GreatProtonDesktopHistoricalJan 12, 2025
- GreatProtonDesktopHistoricalJan 4, 2025
- GreatProtonDesktopHistoricalDec 29, 2024
- PerfectProtonDesktopHistoricalSep 23, 2023
- GreatProtonDesktopHistoricalAug 20, 2023
- GreatProtonDesktopHistoricalJun 30, 2023
- BrokenProtonDesktopHistoricalApr 12, 2023
- GreatProtonDesktopHistoricalFeb 12, 2023