head to head
vs
Digimon SurvivevsFallout Shelter
Digimon Survive leans Optimization (Pure Optimization); Fallout Shelter leans Optimization (Pure Optimization).
Digimon SurviveFallout Shelter
Axis by axis
Execution0 vs 0
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance3 vs 4
Fallout Shelter leans harder on variance: Incident spawns and lunchbox loot rolls
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.