head to head
Portal 2 asks more than Stick it to the Man!, and the gap is optimization.

Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.

Optimization · Pure Optimization
Comedy adventure puzzles solved by matching the right sticker to the right head.
Portal 2 leans Optimization (Pure Optimization); Stick it to the Man! leans Optimization (Pure Optimization).
Portal 2 leans a little harder on execution, though the gap is small.
Portal 2
Portal placement requires some precision but timing is lenient.
Stick it to the Man!
Simple platforming with no twitch ceiling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Portal 2
No opponent; puzzles are static.
Stick it to the Man!
Mind-reading is a story device, not opponent modelling
Stick it to the Man! leans a little harder on variance, though the gap is small.
Portal 2
Puzzles are deterministic with no randomness.
Stick it to the Man!
Every gag and sticker puzzle is scripted
Portal 2 leans clearly harder on optimization.
Portal 2
Solving the puzzle's logic IS the entire game.
Stick it to the Man!
Matching stickers to puzzle locks is the core test
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.