head to head

Fallout Shelter cover artvsSigma Theory: Global Cold War cover art

Fallout SheltervsSigma Theory: Global Cold War

Fallout Shelter leans Optimization (Pure Optimization); Sigma Theory: Global Cold War leans Optimization (Systems & Chaos).

EXECUTION0 /10READS0 /10VARIANCE4 /10OPTIMIZATION7 /10
Fallout ShelterSigma Theory: Global Cold War

Axis by axis

Execution0 vs 0

Even - both lean on execution about the same.

Reads0 vs 1

Sigma Theory: Global Cold War leans harder on reads: Rival agencies follow systems, not adaptive minds

Variance4 vs 5

Sigma Theory: Global Cold War leans harder on variance: Agent traits, mission rolls and events stay hidden until triggered

Optimization7 vs 7

Even - both lean on optimization about the same.

Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

full breakdown

Fallout Shelter

full breakdown

Sigma Theory: Global Cold War