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
First-person puzzle adventure unraveling a Lovecraft-tinged island mystery.

Optimization · Pure Optimization
A dense layered puzzle game demanding methodical inventory and dialogue optimization across four islands.
Call of the Sea leans Optimization (Pure Optimization); Monkey Island 2: LeChuck's Revenge 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.
Call of the Sea
Walking and clicking, no dexterity test
Monkey Island 2: LeChuck's Revenge
Interface is point-and-click; no timing or precision required
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Call of the Sea
No opponent of any kind
Monkey Island 2: LeChuck's Revenge
All puzzles are scripted; no opponent models the player
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Call of the Sea
Hidden solutions surprise only once
Monkey Island 2: LeChuck's Revenge
Some item locations are initially hidden but deterministic
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Call of the Sea
Deducing fixed puzzle logic is the whole game
Monkey Island 2: LeChuck's Revenge
Multi-step puzzle chains reward systematic item and dialogue mapping
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.