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

Execution · Pure Mechanics
A fast, low-fi browser FPS built around twitch aim and movement skill.

Execution · Pure Mechanics
Classic arena shooter with faction abilities.
Krunker leans Execution (Pure Mechanics); XDefiant leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Krunker
fast twitch aim and movement in browser FPS
XDefiant
Fast arena TTK with no SBMM crutch
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Krunker
reading human opponents' positioning and peeks
XDefiant
Pre-aim and pacing duels reward prediction
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Krunker
minor spawn and loadout randomness
XDefiant
Minimal RNG, mostly skill outcomes
XDefiant leans a little harder on optimization, though the gap is small.
Krunker
class loadouts and map knowledge are learnable
XDefiant
Faction abilities and attachments tune fights
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.