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 · Twitch Chaos
Twin-stick dodging layered on roguelike build decisions under procedural RNG.

Execution · Twitch Chaos
A kart racer where controlled chaos from random items tempers otherwise precise driving skill.
Full Mojo Rampage leans Execution (Twitch Chaos); Mario Kart 8 leans Execution (Twitch Chaos).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Full Mojo Rampage
Twin-stick dodging and aiming carry every fight
Mario Kart 8
precise drifting and item timing matter
Mario Kart 8 leans a little harder on reads, though the gap is small.
Full Mojo Rampage
Enemies are scripted swarms, not adaptive minds
Mario Kart 8
minimal, mostly reacting not predicting
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Full Mojo Rampage
Procedural levels and random pin rolls shape runs
Mario Kart 8
item boxes are heavily randomized
Full Mojo Rampage leans a little harder on optimization, though the gap is small.
Full Mojo Rampage
Loadout and blessing choices compound across a run
Mario Kart 8
track lines and item strategy solvable
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.