head to head
Mario Kart 8 Deluxe asks more than Zombie Tsunami, and the gap is reads.

Execution · Twitch Chaos
A kart racer where item luck collides with optimized lines and builds.

Execution · Twitch Chaos
One-touch reflex timing against procedurally generated obstacle streams.
Mario Kart 8 Deluxe leans Execution (Twitch Chaos); Zombie Tsunami leans Execution (Twitch Chaos).
Mario Kart 8 Deluxe leans a little harder on execution, though the gap is small.
Mario Kart 8 Deluxe
Drift boosts, snaking, and item timing demand precision.
Zombie Tsunami
One-touch jump timing for a growing horde is the whole test
Mario Kart 8 Deluxe leans clearly harder on reads.
Mario Kart 8 Deluxe
Human racers bait and block items but mostly reactive.
Zombie Tsunami
No opponent - obstacles are procedural
Mario Kart 8 Deluxe leans clearly harder on variance.
Mario Kart 8 Deluxe
Item distribution heavily randomized by position.
Zombie Tsunami
Procedural level generation decides what each run offers
Mario Kart 8 Deluxe leans clearly harder on optimization.
Mario Kart 8 Deluxe
Kart build, line, and shortcut knowledge define top times.
Zombie Tsunami
Upgrade spending is a thin meta layer
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.