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

Optimization · Practiced Mastery
Reverse-horror metroidvania where you play the escaped flesh monster.

Optimization · Practiced Mastery
Acrobatic puzzle-platformer where rewinding time turns every fatal mistake into a do-over.
Carrion leans Optimization (Practiced Mastery); Prince of Persia: The Sands of Time leans Optimization (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Carrion
Fluid tentacle movement and snatch timing
Prince of Persia: The Sands of Time
Acrobatic platforming chains need timing; rewind softens failure
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Carrion
Guards follow simple fixed behaviours
Prince of Persia: The Sands of Time
Sand creatures attack on fixed cues
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Carrion
Layouts and encounters are fixed
Prince of Persia: The Sands of Time
Rewind power removes most consequence of surprise
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Carrion
Route memory and biomass upgrade puzzles
Prince of Persia: The Sands of Time
Route reading and dagger resource management solve each room
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.