head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Pure Mechanics
A remastered classic platformer where mastering the cane-bounce mechanic carries every level.

Execution · Pure Mechanics
A pastel dream-themed rhythm game that removes the note highway and trusts your ears.
DuckTales: Remastered leans Execution (Pure Mechanics); Melatonin 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.
DuckTales: Remastered
precise cane-bounce platforming required
Melatonin
Timing without note highways leans on audio-visual feel
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
DuckTales: Remastered
scripted enemies, no adaptation
Melatonin
Scenes are scripted
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
DuckTales: Remastered
minimal randomness
Melatonin
First encounters hide each level's cue language
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
DuckTales: Remastered
level routes lightly solvable
Melatonin
Internalizing each dream's rhythm pattern
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.