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
Character-driven turn-based JRPG with a deeply customizable orbment magic system.

Optimization · Pure Optimization
A fixed-solution puzzle adventure where finding the right inventory combination unlocks every obstacle.
The Legend of Heroes: Trails in the Sky 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 Legend of Heroes: Trails in the Sky
Turn-based menus only
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 Legend of Heroes: Trails in the Sky
Scripted encounters, no adaptation
The Secret of Monkey Island
No adaptive opponent; all puzzles are fixed and authored
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
The Legend of Heroes: Trails in the Sky
Minor turn-order and drop randomness
The Secret of Monkey Island
Some hidden items require exploration but solutions are invariant
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
The Legend of Heroes: Trails in the Sky
Orbment quartz setups and turn-bonus manipulation
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.