head to head
vs
Fallout SheltervsUltima
Fallout Shelter leans Optimization (Pure Optimization); Ultima leans Optimization (Pure Optimization).
Fallout ShelterUltima
Axis by axis
Execution0 vs 1
Ultima leans harder on execution: Turn-based tile movement asks nothing of the hands
Reads0 vs 0
Even - both lean on reads about the same.
Variance4 vs 4
Even - both lean on variance about the same.
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.