head to head
Mario Kart 8 asks more than Shutshimi, and the gap is optimization.

Execution · Twitch Chaos
A kart racer where controlled chaos from random items tempers otherwise precise driving skill.

Execution · Twitch Chaos
Rapid-fire reflex bursts against randomised waves in ten-second chunks.
Mario Kart 8 leans Execution (Twitch Chaos); Shutshimi leans Execution (Twitch Chaos).
Shutshimi leans a little harder on execution, though the gap is small.
Mario Kart 8
precise drifting and item timing matter
Shutshimi
Ten-second waves demand instant dodging and target triage
Mario Kart 8 leans a little harder on reads, though the gap is small.
Mario Kart 8
minimal, mostly reacting not predicting
Shutshimi
Enemies spawn from random tables, not a mind
Mario Kart 8 leans a little harder on variance, though the gap is small.
Mario Kart 8
item boxes are heavily randomized
Shutshimi
Randomised waves and absurd power-ups reshape every run
Mario Kart 8 leans clearly harder on optimization.
Mario Kart 8
track lines and item strategy solvable
Shutshimi
Upgrade choices under time pressure are a thin layer
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.