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
Twitchy miniature racing where handling beats strategy on chaotic tabletop tracks.

Execution · Pure Mechanics
Island-themed collection of twelve motion-controlled sports showcasing the Wii MotionPlus accessory.
Micro Machines World Series leans Execution (Pure Mechanics); Wii Sports Resort leans Execution (Pure Mechanics).
Micro Machines World Series leans a little harder on execution, though the gap is small.
Micro Machines World Series
Tiny-car handling on cramped tabletop tracks is twitch-heavy
Wii Sports Resort
MotionPlus precision in swordplay, archery and bowling
Micro Machines World Series leans a little harder on reads, though the gap is small.
Micro Machines World Series
Human racers can be baited with weapons and blocks
Wii Sports Resort
Local versus duels involve mild feinting
Micro Machines World Series leans a little harder on variance, though the gap is small.
Micro Machines World Series
Pickup spawns and battle chaos add randomness
Wii Sports Resort
Slight physics and CPU pattern randomness
Wii Sports Resort leans a little harder on optimization, though the gap is small.
Micro Machines World Series
Track knowledge is shallow and learned quickly
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.