head to head
vs
Fallout SheltervsMoonstone Island
Fallout Shelter leans Optimization (Pure Optimization); Moonstone Island leans Optimization (Systems & Chaos).
Fallout ShelterMoonstone Island
Axis by axis
Execution0 vs 1
Moonstone Island leans harder on execution: Farming and card battles need no twitch input
Reads0 vs 0
Even - both lean on reads about the same.
Variance4 vs 5
Moonstone Island leans harder on variance: Card draws and island generation shape each season
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.