head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Practiced Mastery
A one-button Kirby racer whose chaotic City Trial mode became a cult multiplayer favourite.

Execution · Practiced Mastery
An open-world racing MMO about collecting cars and cruising Ibiza and Hawaii.
Kirby Air Ride leans Execution (Practiced Mastery); Test Drive Unlimited 2 leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby Air Ride
Charge-boost timing and machine handling
Test Drive Unlimited 2
Open-road car control decides races
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby Air Ride
Local multiplayer rivals add light prediction
Test Drive Unlimited 2
Online rivals add mild jockeying
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby Air Ride
City Trial patch and event randomness
Test Drive Unlimited 2
Traffic and weather add small noise
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby Air Ride
Machine stats and course lines are mappable
Test Drive Unlimited 2
Car choice, upgrades, and route knowledge compound
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.