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

Execution · Pure Mechanics
An early arcade climber demanding tight, repeatable jump execution.

Execution · Pure Mechanics
An open-source rhythm battler whose rap-duel format spawned a massive modding scene.
Donkey Kong Junior leans Execution (Pure Mechanics); Friday Night Funkin' leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Donkey Kong Junior
precise vine-climbing and jump timing
Friday Night Funkin'
Four-key arrow streams get genuinely fast on hard
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Donkey Kong Junior
enemies follow fixed patrol patterns
Friday Night Funkin'
Opponents sing scripted patterns
Donkey Kong Junior leans a little harder on variance, though the gap is small.
Donkey Kong Junior
minor enemy timing variance
Friday Night Funkin'
Charts fully deterministic
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Donkey Kong Junior
minimal route memorization needed
Friday Night Funkin'
Chart memorization for full combos
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.