head to head
Borderlands 2vsUnderMine
Borderlands 2 leans Optimization (Systems & Chaos); UnderMine leans Optimization (Systems & Chaos).
Borderlands 2UnderMine
Axis by axis
Execution5 vs 5
Even - both lean on execution about the same.
Reads1 vs 0
Borderlands 2 leans harder on reads: Enemies are scripted loot fodder
Variance6 vs 6
Even - both lean on variance about the same.
Optimization8 vs 7
Borderlands 2 leans harder on optimization: Skill trees and gear math heavily solved
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

