head to head
Mario Kart 8 Deluxe asks more than Alto's Adventure, and the gap is optimization.

Execution · Twitch Chaos
A serene endless snowboarder about chaining backflips down procedurally generated slopes.

Execution · Twitch Chaos
A kart racer where item luck collides with optimized lines and builds.
Alto's Adventure leans Execution (Twitch Chaos); Mario Kart 8 Deluxe leans Execution (Twitch Chaos).
Mario Kart 8 Deluxe leans a little harder on execution, though the gap is small.
Alto's Adventure
One-touch trick timing and landings
Mario Kart 8 Deluxe
Drift boosts, snaking, and item timing demand precision.
Mario Kart 8 Deluxe leans clearly harder on reads.
Alto's Adventure
No opponents
Mario Kart 8 Deluxe
Human racers bait and block items but mostly reactive.
Mario Kart 8 Deluxe leans clearly harder on variance.
Alto's Adventure
Procedural terrain keeps runs unpredictable
Mario Kart 8 Deluxe
Item distribution heavily randomized by position.
Mario Kart 8 Deluxe leans clearly harder on optimization.
Alto's Adventure
Goal checklist and combo logic shallow
Mario Kart 8 Deluxe
Kart build, line, and shortcut knowledge define top times.
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.