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
Dungeon-crawling PS1 sequel built around DNA digivolution and grinding through randomized domains.

Optimization · Pure Optimization
A fragmented-timeline mystery that asks players to reconstruct causality across escape-room puzzles.
Digimon World 2 leans Optimization (Pure Optimization); Zero Escape: Zero Time Dilemma 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.
Digimon World 2
Turn-based dungeon crawling; no dexterity
Zero Escape: Zero Time Dilemma
No physical demands in escape rooms or choice screens
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Digimon World 2
Fixed AI encounters only
Zero Escape: Zero Time Dilemma
Fragment-based story has no adaptive opponent
Digimon World 2 leans a little harder on variance, though the gap is small.
Digimon World 2
Random dungeon layouts and recruitment rolls
Zero Escape: Zero Time Dilemma
Non-linear fragment order and hidden outcomes obscure the path
Digimon World 2 leans a little harder on optimization, though the gap is small.
Digimon World 2
DNA digivolving and party math are the whole game
Zero Escape: Zero Time Dilemma
Connecting all fragments to reach the true timeline is a logic puzzle
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.