head to head
FlatOut: Ultimate Carnage asks more than Super Mario Odyssey, and the gap is reads.

Execution · Pure Mechanics
Keeping speed through destruction-racing chaos that punishes clean-lap plans.

Execution · Pure Mechanics
A 3D platformer whose joy lives in tight movement and capture-driven traversal.
FlatOut: Ultimate Carnage leans Execution (Pure Mechanics); Super Mario Odyssey leans Execution (Pure Mechanics).
Super Mario Odyssey leans a little harder on execution, though the gap is small.
FlatOut: Ultimate Carnage
Holding racing lines through wrecks and ragdoll chaos tests hands
Super Mario Odyssey
Precise platforming and capture-move tech ceiling.
FlatOut: Ultimate Carnage leans clearly harder on reads.
FlatOut: Ultimate Carnage
Rival drivers ram predictably, light multiplayer jockeying
Super Mario Odyssey
No adaptive opponents whatsoever.
FlatOut: Ultimate Carnage leans clearly harder on variance.
FlatOut: Ultimate Carnage
Debris and pileups scramble any planned lap
Super Mario Odyssey
Almost no randomness in level design.
Super Mario Odyssey leans a little harder on optimization, though the gap is small.
FlatOut: Ultimate Carnage
Car upgrades and track shortcuts are mappable
Super Mario Odyssey
Moon routes and movement tech learnable.
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.