head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Practiced Mastery
Soft-body physics sandbox driving and crashing.

Execution · Practiced Mastery
A kart racer testing basic driving and item management.
BeamNG.drive leans Execution (Practiced Mastery); Crazy Frog Racer leans Execution (Practiced Mastery).
BeamNG.drive leans a little harder on execution, though the gap is small.
BeamNG.drive
Soft-body physics car control
Crazy Frog Racer
Steering and drifting need some precision
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
BeamNG.drive
Mostly sandbox, no adaptive opponents
Crazy Frog Racer
AI racers follow scripted lines
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
BeamNG.drive
Emergent crash physics outcomes
Crazy Frog Racer
Item pickups and rubber-banding add chance
BeamNG.drive leans a little harder on optimization, though the gap is small.
BeamNG.drive
Vehicle tuning, scenario routing
Crazy Frog Racer
Track learning and item use are shallow but present
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.