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.

Optimization · Pure Optimization
The genre-defining loot ARPG whose builds, runes, and trade economy players still optimize decades later.

Optimization · Pure Optimization
Frosty deckbuilder built around countdown timers and tribal synergies.
Diablo II leans Optimization (Pure Optimization); Wildfrost leans Optimization (Pure Optimization).
Diablo II leans a little harder on execution, though the gap is small.
Diablo II
Positioning and potion reflexes, little else physical
Wildfrost
Turn-based card play, no input demand.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Diablo II
Monster AI is fully mappable
Wildfrost
Enemy scripts only, no adaptive opponent.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Diablo II
Loot RNG and random maps drive the grind
Wildfrost
Card and charm rolls swing runs heavily.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Diablo II
Builds, breakpoints, rune economy, magic-find routing are the game
Wildfrost
Counter timers and combos reward tight planning.
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.