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
Methodical clue-gathering through a fixed voodoo mystery with single-solution puzzles.

Optimization · Pure Optimization
Comedic point-and-click adventure of Guybrush Threepwood, hand-drawn at its peak.
Gabriel Knight: Sins of the Fathers - 20th Anniversary Edition leans Optimization (Pure Optimization); The Curse of Monkey Island 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.
Gabriel Knight: Sins of the Fathers - 20th Anniversary Edition
Pointing and clicking - no physical demand
The Curse of Monkey Island
pointing and clicking only
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Gabriel Knight: Sins of the Fathers - 20th Anniversary Edition
A scripted mystery with no adaptive adversary
The Curse of Monkey Island
no adaptive opponent
The Curse of Monkey Island leans a little harder on variance, though the gap is small.
Gabriel Knight: Sins of the Fathers - 20th Anniversary Edition
Clues are hidden information until investigated
The Curse of Monkey Island
puzzle solutions unknown on first play, then fixed
The Curse of Monkey Island leans a little harder on optimization, though the gap is small.
Gabriel Knight: Sins of the Fathers - 20th Anniversary Edition
Day-structured puzzle chains have one intended path
The Curse of Monkey Island
inventory logic puzzles are fully solvable
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.
full breakdown
Gabriel Knight: Sins of the Fathers - 20th Anniversary Edition →
full breakdown
The Curse of Monkey Island →