head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

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

Optimization · Pure Optimization
Piecing together a scripted murder conspiracy from hidden clues.
Escape from Monkey Island leans Optimization (Pure Optimization); Post Mortem leans Optimization (Pure Optimization).
Escape from Monkey Island leans a little harder on execution, though the gap is small.
Escape from Monkey Island
Pointing and walking only
Post Mortem
Point-and-click interface, zero dexterity
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
Post Mortem
Suspects follow scripted dialogue trees
Post Mortem leans a little harder on variance, though the gap is small.
Escape from Monkey Island
Puzzle solutions hidden until discovered
Post Mortem
The conspiracy is hidden information revealed by investigation
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
Post Mortem
Piecing fixed clues into the solution is the game
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.