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
Sci-fi thriller played as the station AI solving its own crisis.

Optimization · Practiced Mastery
Slow-burn revenge adventure built on daily routines, detective legwork, and QTEs in 1986 Yokosuka.
Observation leans Optimization (Pure Optimization); Shenmue leans Optimization (Practiced Mastery).
Shenmue leans a little harder on execution, though the gap is small.
Observation
Camera control and interface manipulation
Shenmue
QTEs and light brawling demand modest timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Observation
Events are fully authored
Shenmue
NPCs run daily scripts; nothing adapts to you
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Observation
Mystery unknown until uncovered
Shenmue
First playthrough leans on not knowing schedules and clues
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Observation
Systems puzzles and station schematics solving
Shenmue
Clue order, NPC schedules, and move training are fully mappable
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.