head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Practiced Mastery
A co-op wave shooter where squads hold corridors against escalating specimen hordes for cash and headshots.

Execution · Practiced Mastery
Loot-driven co-op heist shooter where builds and route knowledge make perfect crimes.
Killing Floor leans Execution (Practiced Mastery); Payday 2 leans Execution (Practiced Mastery).
Killing Floor leans a little harder on execution, though the gap is small.
Killing Floor
Headshots on zeds, kiting, weld timing
Payday 2
Sustained gunfights and stealth execution under pressure
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Killing Floor
Zeds follow fixed behaviours, never model you
Payday 2
Cops and guards follow spawn scripts
Payday 2 leans a little harder on variance, though the gap is small.
Killing Floor
Spawn waves randomise but quickly become familiar
Payday 2
Random vault locations, guard patrols, and escrow rolls
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Killing Floor
Perk levelling, holdout spots, dosh economy solvable
Payday 2
Skill builds and stealth route planning per heist
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.