head to head
Mario Kart 64 asks more than Micro Machines V3, and the gap is variance.

Execution · Twitch Chaos
N64 couch classic where blue shells and shortcuts decide friendships.

Execution · Pure Mechanics
Tests twitchy miniature car control and track memory amid party-weapon chaos.
Mario Kart 64 leans Execution (Twitch Chaos); Micro Machines V3 leans Execution (Pure Mechanics).
Micro Machines V3 leans a little harder on execution, though the gap is small.
Mario Kart 64
Mini-turbo snaking and shortcut execution
Micro Machines V3
Tiny cars on twisty tabletops punish every slip
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Mario Kart 64
Couch rivals bait shells and fakes
Micro Machines V3
Couch rivals can be baited with weapons and nudges
Mario Kart 64 leans clearly harder on variance.
Mario Kart 64
Item draws swing every race
Micro Machines V3
Pickup spawns and chaos shuffle close races
Mario Kart 64 leans a little harder on optimization, though the gap is small.
Mario Kart 64
Shortcut and line knowledge is fully mapped
Micro Machines V3
Track memorisation and shortcut lines pay off
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.