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

Optimization · Pure Optimization
Using stealth-phase positioning to construct optimal ambushes against scripted patrols.

Optimization · Pure Optimization
A blade-driven JRPG won by chain-attack routing and combo optimization.
Mutant Year Zero: Road to Eden leans Optimization (Pure Optimization); Xenoblade Chronicles 2 leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Mutant Year Zero: Road to Eden
Stealth positioning before combat demands spatial precision
Xenoblade Chronicles 2
Auto-attack with art-timing inputs
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Mutant Year Zero: Road to Eden
Enemies patrol fixed routes; no adaptive opponent modeling
Xenoblade Chronicles 2
Scripted enemies
Mutant Year Zero: Road to Eden leans a little harder on variance, though the gap is small.
Mutant Year Zero: Road to Eden
Hit chances and mutation procs introduce meaningful RNG
Xenoblade Chronicles 2
Blade gacha and crit rolls
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Mutant Year Zero: Road to Eden
Stalker trait loadouts and pre-combat positioning are tight optimization puzzles
Xenoblade Chronicles 2
Blade combos and chain attack routing central
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.