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
The original monster-collecting RPG that built the catch-train-battle loop.

Optimization · Pure Optimization
A fragmented-timeline mystery that asks players to reconstruct causality across escape-room puzzles.
Pokémon Red 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.
Pokémon Red
Turn-based menus
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.
Pokémon Red
Trainer AI is rudimentary and fixed
Zero Escape: Zero Time Dilemma
Fragment-based story has no adaptive opponent
Zero Escape: Zero Time Dilemma leans a little harder on variance, though the gap is small.
Pokémon Red
Wild encounters and catch rolls
Zero Escape: Zero Time Dilemma
Non-linear fragment order and hidden outcomes obscure the path
Pokémon Red leans a little harder on optimization, though the gap is small.
Pokémon Red
Type matchups and team building solve the campaign
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.