head to head
Mario Kart 8 asks more than Dragon Hills, and the gap is variance.

Execution · Twitch Chaos
An endless action game riding a dragon that burrows and leaps through terrain.

Execution · Twitch Chaos
A kart racer where controlled chaos from random items tempers otherwise precise driving skill.
Dragon Hills leans Execution (Twitch Chaos); Mario Kart 8 leans Execution (Twitch Chaos).
Mario Kart 8 leans a little harder on execution, though the gap is small.
Dragon Hills
timing jumps and attacks while riding dragon
Mario Kart 8
precise drifting and item timing matter
Mario Kart 8 leans a little harder on reads, though the gap is small.
Dragon Hills
no opponent, solo endless action
Mario Kart 8
minimal, mostly reacting not predicting
Mario Kart 8 leans clearly harder on variance.
Dragon Hills
random terrain and enemy generation
Mario Kart 8
item boxes are heavily randomized
Mario Kart 8 leans clearly harder on optimization.
Dragon Hills
minor upgrade optimization across runs
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.