head to head
vs
Borderlands 2vsHelldivers
Borderlands 2 leans Optimization (Systems & Chaos); Helldivers leans Optimization (Practiced Mastery).
Borderlands 2Helldivers
Axis by axis
Execution5 vs 6
Helldivers leans harder on execution: Twin-stick aim and stratagem inputs
Reads1 vs 1
Even - both lean on reads about the same.
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.