head to head
Cel DamagevsFlatOut: Ultimate Carnage
Cel Damage leans Execution (Pure Mechanics); FlatOut: Ultimate Carnage leans Execution (Pure Mechanics).
Cel DamageFlatOut: Ultimate Carnage
Axis by axis
Execution6 vs 7
FlatOut: Ultimate Carnage leans harder on execution: Holding racing lines through wrecks and ragdoll chaos tests hands
Reads2 vs 2
Even - both lean on reads about the same.
Variance3 vs 3
Even - both lean on variance about the same.
Optimization3 vs 4
FlatOut: Ultimate Carnage leans harder on optimization: Car upgrades and track shortcuts are mappable
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

