head to head
Paper Mario: The Origami King asks more than Portal, and the gap is variance.

Optimization · Pure Optimization
A puzzle-combat Paper Mario built around rotating rings.

Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Paper Mario: The Origami King leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Portal leans a little harder on execution, though the gap is small.
Paper Mario: The Origami King
Light timing on action commands
Portal
Portal placement timing modest.
Paper Mario: The Origami King leans a little harder on reads, though the gap is small.
Paper Mario: The Origami King
Scripted enemies
Portal
No adversary modeling player.
Paper Mario: The Origami King leans clearly harder on variance.
Paper Mario: The Origami King
Limited puzzle randomness
Portal
Deterministic chambers; no randomness.
Portal leans a little harder on optimization, though the gap is small.
Paper Mario: The Origami King
Ring puzzle solving and accessory loadouts
Portal
Pure puzzle-solving optimization.
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.