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
A charming kid-friendly RPG with timing prompts and light costume strategy.

Optimization · Light / Casual
A serene open-world exploration about a coming-of-age desert pilgrimage.
Costume Quest leans Optimization (Practiced Mastery); Sable leans Optimization (Light / Casual).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Costume Quest
Timed button prompts are the only dexterity ask
Sable
Gliding and climbing are gentle.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Costume Quest
Monster battles follow simple fixed scripts
Sable
No adversaries.
Sable leans a little harder on variance, though the gap is small.
Costume Quest
Quest content is fixed once doors are knocked
Sable
Open-world discoveries vary little.
Costume Quest leans a little harder on optimization, though the gap is small.
Costume Quest
Costume ability matchups and stamp choices are light strategy
Sable
Quest routing has shallow optimization.
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.