head to head
vs
Fallout SheltervsKeep Driving
Fallout Shelter leans Optimization (Pure Optimization); Keep Driving leans Optimization (Systems & Chaos).
Fallout ShelterKeep Driving
Axis by axis
Execution0 vs 1
Keep Driving leans harder on execution: Menu choices, not driving inputs
Reads0 vs 0
Even - both lean on reads about the same.
Variance4 vs 5
Keep Driving leans harder on variance: Road events and encounters roll randomly each trip
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.