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 · Pure Mechanics
Input precision across five fixed skateboarding events with learnable optimal lines.

Execution · Pure Mechanics
A 3D platformer whose joy lives in tight movement and capture-driven traversal.
Skate or Die leans Execution (Pure Mechanics); Super Mario Odyssey leans Execution (Pure Mechanics).
Super Mario Odyssey leans a little harder on execution, though the gap is small.
Skate or Die
Joystick precision on ramps, jumps and races decides every event
Super Mario Odyssey
Precise platforming and capture-move tech ceiling.
Skate or Die leans a little harder on reads, though the gap is small.
Skate or Die
Pool joust against another human adds slight prediction
Super Mario Odyssey
No adaptive opponents whatsoever.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Skate or Die
Courses are fixed; nothing hidden after a few runs
Super Mario Odyssey
Almost no randomness in level design.
Super Mario Odyssey leans a little harder on optimization, though the gap is small.
Skate or Die
Learning each event's optimal lines and trick values raises scores
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.