head to head
vs
Killing Floor 2vsSpelunky
Killing Floor 2 leans Execution (Practiced Mastery); Spelunky leans Execution (Twitch Chaos).
Killing Floor 2Spelunky
Axis by axis
Execution7 vs 8
Spelunky leans harder on execution: Tight platforming and whip control under constant threat.
Reads1 vs 1
Even - both lean on reads about the same.
Variance5 vs 7
Spelunky leans harder on variance: Procedural caves and item rolls shape every run.
Optimization7 vs 6
Killing Floor 2 leans harder on optimization: Perks, weapon synergies, money management
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.