head to head
Unturned asks more than Mario Kart World, and the gap is optimization.

Execution · Twitch Chaos
Kart racing blending drift execution with item RNG and pack positioning.

Optimization · Practiced Mastery
A blocky free-to-play zombie survival sandbox mixing scavenging, basebuilding, and PvP.
Mario Kart World leans Execution (Twitch Chaos); Unturned leans Optimization (Practiced Mastery).
Mario Kart World leans a little harder on execution, though the gap is small.
Mario Kart World
Drift charging, rail grinding and shortcut precision reward hands
Unturned
Gunfights and driving reward aim and control
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Mario Kart World
Human racers bait items and contest lines in knockouts
Unturned
Human raiders and ambushes on PvP servers
Mario Kart World leans a little harder on variance, though the gap is small.
Mario Kart World
Item rolls and rubber-banding scramble any single race
Unturned
Loot spawns and unknown player positions
Unturned leans clearly harder on optimization.
Mario Kart World
Course knowledge, shortcuts and item management converge with study
Unturned
Base building, loot routes, and crafting economy
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.