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
A comedic point-and-click adventure of pirate puzzles with fixed solutions.

Optimization · Pure Optimization
Methodical clue-gathering and inventory logic through a gothic mystery.
Escape from Monkey Island leans Optimization (Pure Optimization); The Black Mirror 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.
Escape from Monkey Island
Pointing and walking only
The Black Mirror
Point-and-click pacing has zero dexterity demands
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Escape from Monkey Island
No opponent
The Black Mirror
The gothic cast follows a fixed script
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Escape from Monkey Island
Puzzle solutions hidden until discovered
The Black Mirror
Clues are scripted-but-unknown until found
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Escape from Monkey Island
Once known, every puzzle has one fixed answer
The Black Mirror
Inventory logic and dialogue chains are solvable puzzles
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.