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J.A.C.K.
#496450Brand new level editor for games with a Quake-style BSP architecture; a convenient cross-platform tool capable of incorporating the best features of existing editors, such as Valve Hammer Editor, Q3Radiant, and others. J.A.C.K. does aspire to be the universal level design tool for classic games.
Recommendation
Native (Linux build)Great
CurrentLow confidence
Proton and native both rate great; recommending native.
Last report May 15, 2026
Compatibility
Proton
Great
StaleLow confidence
2 reports · Low confidence: all reports predate a major ecosystem update.
Native
Great
CurrentLow confidence
1 report · Low confidence: very few recent reports yet.
Anti-cheatUnknown
No anti-cheat reports yet
Reports(3)
Most reports here are historical ProtonDB imports — be the first to add a fresh J.A.C.K. report.
Add a fresh reportShowing 3 of 3 reports
- GreatNative (Linux build)DesktopHistoricalMay 15, 2026
- GreatProtonDesktopHistoricalJun 10, 2021
- GreatProtonDesktopHistoricalJan 8, 2020
End of reports