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 · Practiced Mastery
Co-op first-person zombie RPG about improvised weapons on a resort island.

Optimization · Practiced Mastery
An open-world zombie game where crafting and objective routing matter more than combat skill.
Dead Island leans Optimization (Practiced Mastery); Dead Rising 4 leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Dead Island
first-person melee timing and stamina
Dead Rising 4
melee combos and zombie-horde movement
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Dead Island
zombies are scripted swarms
Dead Rising 4
zombies are simple non-adaptive AI
Dead Island leans a little harder on variance, though the gap is small.
Dead Island
weapon drops and spawns add noise
Dead Rising 4
item/weapon spawn randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Dead Island
weapon mods and skill builds carry late game
Dead Rising 4
weapon crafting and time-based objective routing
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.