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.

Optimization · Practiced Mastery
Acrobatic puzzle-platformer where rewinding time turns every fatal mistake into a do-over.

Optimization · Practiced Mastery
A co-op yarn puzzle-platformer where two tethered characters solve levels together.
Prince of Persia: The Sands of Time leans Optimization (Practiced Mastery); Unravel Two leans Optimization (Practiced Mastery).
Prince of Persia: The Sands of Time leans a little harder on execution, though the gap is small.
Prince of Persia: The Sands of Time
Acrobatic platforming chains need timing; rewind softens failure
Unravel Two
Light platforming plus two-character swing coordination
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Prince of Persia: The Sands of Time
Sand creatures attack on fixed cues
Unravel Two
No adaptive opposition, co-op only
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Prince of Persia: The Sands of Time
Rewind power removes most consequence of surprise
Unravel Two
Fixed levels, fully visible
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Prince of Persia: The Sands of Time
Route reading and dagger resource management solve each room
Unravel Two
Puzzles solved by routing two yarn characters together
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.