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
Kart drift control and track knowledge with item luck shaking up placements.

Execution · Pure Mechanics
Island-themed collection of twelve motion-controlled sports showcasing the Wii MotionPlus accessory.
SuperTuxKart leans Execution (Pure Mechanics); Wii Sports Resort leans Execution (Pure Mechanics).
SuperTuxKart leans a little harder on execution, though the gap is small.
SuperTuxKart
Drift control and line holding decide races
Wii Sports Resort
MotionPlus precision in swordplay, archery and bowling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
SuperTuxKart
Human online races reward mild item mind-games
Wii Sports Resort
Local versus duels involve mild feinting
SuperTuxKart leans a little harder on variance, though the gap is small.
SuperTuxKart
Item box rolls shake up placements
Wii Sports Resort
Slight physics and CPU pattern randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
SuperTuxKart
Track shortcuts and kart choice reward study
Wii Sports Resort
Each event has small learnable technique optima
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.