head to head
vs
Borderlands 2vsSpelunky Classic
Borderlands 2 leans Optimization (Systems & Chaos); Spelunky Classic leans Execution (Twitch Chaos).
Borderlands 2Spelunky Classic
Axis by axis
Execution5 vs 7
Spelunky Classic leans harder on execution: precise platforming and combat under pressure
Reads1 vs 1
Even - both lean on reads about the same.
Variance6 vs 7
Spelunky Classic leans harder on variance: procedurally generated levels every run
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.