head to head
vs
Fallout SheltervsStarflight
Fallout Shelter leans Optimization (Pure Optimization); Starflight leans Optimization (Systems & Chaos).
Fallout ShelterStarflight
Axis by axis
Execution0 vs 1
Starflight leans harder on execution: Slow ship controls with no twitch ceiling
Reads0 vs 0
Even - both lean on reads about the same.
Variance4 vs 5
Starflight leans harder on variance: An unmapped galaxy of hidden worlds drives early play
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.