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 · Practiced Mastery
Slow-burn revenge adventure built on daily routines, detective legwork, and QTEs in 1986 Yokosuka.

Optimization · Practiced Mastery
A gag-driven platformer testing little beyond collectible patience.
Shenmue leans Optimization (Practiced Mastery); The Simpsons Game leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Shenmue
QTEs and light brawling demand modest timing
The Simpsons Game
Simple platforming and character-power timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Shenmue
NPCs run daily scripts; nothing adapts to you
The Simpsons Game
Parody enemies are jokes on rails
Shenmue leans a little harder on variance, though the gap is small.
Shenmue
First playthrough leans on not knowing schedules and clues
The Simpsons Game
Levels are fixed gag sequences
Shenmue leans a little harder on optimization, though the gap is small.
Shenmue
Clue order, NPC schedules, and move training are fully mappable
The Simpsons Game
Character-ability puzzles and collectibles are lightly 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.