head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Execution · Pure Mechanics
A snowboarding sim testing precise trick execution and line memorization.

Execution · Pure Mechanics
A 3D platformer whose joy lives in tight movement and capture-driven traversal.
Shredders leans Execution (Pure Mechanics); Super Mario Odyssey leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Shredders
Precise trick timing, balance and landing control dominate
Super Mario Odyssey
Precise platforming and capture-move tech ceiling.
Shredders leans a little harder on reads, though the gap is small.
Shredders
Mostly solo/coop, no adaptive opponent to predict
Super Mario Odyssey
No adaptive opponents whatsoever.
Shredders leans a little harder on variance, though the gap is small.
Shredders
Slope conditions fixed, little randomness
Super Mario Odyssey
Almost no randomness in level design.
Super Mario Odyssey leans a little harder on optimization, though the gap is small.
Shredders
Learning lines and trick combos for score routes
Super Mario Odyssey
Moon routes and movement tech learnable.
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.