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
A kart racer about precise driving and timing random powerups against rivals.

Execution · Twitch Chaos
A kart racer where controlled chaos from random items tempers otherwise precise driving skill.
Beach Buggy Racing 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.
Beach Buggy Racing
Steering and drifting precision carries races
Mario Kart 8
precise drifting and item timing matter
Beach Buggy Racing leans a little harder on reads, though the gap is small.
Beach Buggy Racing
AI racers follow scripted lines, not adaptive prediction
Mario Kart 8
minimal, mostly reacting not predicting
Mario Kart 8 leans a little harder on variance, though the gap is small.
Beach Buggy Racing
Random powerup drops swing race outcomes
Mario Kart 8
item boxes are heavily randomized
Mario Kart 8 leans a little harder on optimization, though the gap is small.
Beach Buggy Racing
Car upgrades and powerup timing form a light layer
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.