head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Pure Optimization
Landmark first-person puzzle adventure solved by careful observation and note-taking.

Optimization · Pure Optimization
A fragmented-timeline mystery that asks players to reconstruct causality across escape-room puzzles.
Myst 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.
Myst
Clicking through static scenes
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.
Myst
No adversary at all
Zero Escape: Zero Time Dilemma
Fragment-based story has no adaptive opponent
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Myst
Clues hidden until found, then fixed forever
Zero Escape: Zero Time Dilemma
Non-linear fragment order and hidden outcomes obscure the path
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Myst
Observation-driven logic puzzles with deterministic solutions
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.