head to head
Fallout 3vsSlime Rancher 2
Fallout 3 leans Optimization (Pure Optimization); Slime Rancher 2 leans Optimization (Pure Optimization).
Fallout 3Slime Rancher 2
Axis by axis
Execution3 vs 3
Even - both lean on execution about the same.
Reads1 vs 1
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization7 vs 6
Fallout 3 leans harder on optimization: Perk and build planning carries the run
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

