head to head
Hades II asks more than Diablo III, and the gap is execution.

Optimization · Pure Optimization
A pure loot-and-build treadmill where set-bonus optimisation and Rift pushing define performance.

Optimization · Practiced Mastery
A roguelite action game where build synergy and learned boss patterns carry runs.
Diablo III leans Optimization (Pure Optimization); Hades II leans Optimization (Practiced Mastery).
Hades II leans clearly harder on execution.
Diablo III
Greater Rift pushing has minor mechanical demand in builds
Hades II
Dodge-dash timing and combo execution against fast boss patterns.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Diablo III
No meaningful adaptive opponent; co-op is cooperative
Hades II
Bosses follow scripted movesets; no adaptive opponent modeling you.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Diablo III
Primal Ancient drops and set dungeon RNG drive the grind
Hades II
Boon offerings and room layouts randomized each run.
Diablo III leans a little harder on optimization, though the gap is small.
Diablo III
Set bonuses and paragon levelling are almost entirely solvable
Hades II
Build crafting around boon synergies and weapon aspects dominates.
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.