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.

Execution · Practiced Mastery
Careful climbing execution and route planning where a single mistimed grab undoes everything.

Execution · Practiced Mastery
A pinball-platformer hybrid where flippers fling a mail-delivering beetle across an open island.
Peak leans Execution (Practiced Mastery); Yoku's Island Express leans Execution (Practiced Mastery).
Peak leans a little harder on execution, though the gap is small.
Peak
Stamina-managed grip timing - one slipped input drops the whole climb
Yoku's Island Express
Pinball flipper timing drives all traversal
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Peak
Co-op against a mountain, no adaptive opponent
Yoku's Island Express
Solo, nothing models you
Peak leans a little harder on variance, though the gap is small.
Peak
Daily map rotation and item spawns shuffle each ascent
Yoku's Island Express
Ball physics adds small bounce unpredictability
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Peak
Routing the wall and rationing items decides summit attempts
Yoku's Island Express
Learning table layouts and exploration routes
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.