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 gravity-manipulation action game that lives or dies on aerial movement mastery.

Execution · Pure Mechanics
A pastel dream-themed rhythm game that removes the note highway and trusts your ears.
Gravity Rush 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.
Gravity Rush Remastered
gravity-shift platforming and aerial combat control
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.
Gravity Rush Remastered
no adaptive opponents, all scripted foes
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.
Gravity Rush Remastered
minor enemy spawn 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.
Gravity Rush Remastered
upgrade tree and mission routing
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.