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Sigma Theory: Global Cold War
#716640A Turn-based Strategy game in a futuristic global cold war from the award-winning creators of Out There. Recruit a squad of special agents and run your intel agency to secure the control of the singularity.
Recommendation
Native (Linux build)Perfect
StaleLow confidence
Native (ready) currently rates better than Proton (great).
Last report Apr 29, 2025
Compatibility
Proton
Great
StaleLow confidence
2 reports · Low confidence: all reports predate a major ecosystem update.
Native
Perfect
StaleLow confidence
2 reports · Low confidence: very few recent reports yet.
Anti-cheatUnknown
No anti-cheat reports yet
Reports(4)
Most of this is historical ProtonDB data (newest from Apr 29, 2025) and needs a fresh report to confirm it still holds.
Add a fresh report