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
A folk horror adventure about an antiquarian unearthing something best left buried on the moors.

Optimization · Pure Optimization
A fixed-solution puzzle adventure where finding the right inventory combination unlocks every obstacle.
The Excavation of Hob's Barrow leans Optimization (Pure Optimization); The Secret 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.
The Excavation of Hob's Barrow
Pure point-and-click pacing
The Secret of Monkey Island
Clicking inventory items demands no twitch skill whatsoever
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
The Excavation of Hob's Barrow
No adaptive opponent
The Secret of Monkey Island
No adaptive opponent; all puzzles are fixed and authored
The Excavation of Hob's Barrow leans a little harder on variance, though the gap is small.
The Excavation of Hob's Barrow
Dread comes from unknowns that vanish on replay
The Secret of Monkey Island
Some hidden items require exploration but solutions are invariant
The Secret of Monkey Island leans a little harder on optimization, though the gap is small.
The Excavation of Hob's Barrow
Linear puzzles with fixed solutions throughout
The Secret of Monkey Island
Correct item combinations and dialogue chains fully determine progress
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.