head to head
Palworld asks more than Portal 2, and the gap is variance.

Optimization · Pure Optimization
Survival crafter with creature-collecting automation.

Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.
Palworld leans Optimization (Pure Optimization); Portal 2 leans Optimization (Pure Optimization).
Palworld leans a little harder on execution, though the gap is small.
Palworld
Light shooter combat inputs
Portal 2
Portal placement requires some precision but timing is lenient.
Palworld leans a little harder on reads, though the gap is small.
Palworld
PvE AI, optional PvP servers
Portal 2
No opponent; puzzles are static.
Palworld leans clearly harder on variance.
Palworld
Pal spawns and breeding RNG
Portal 2
Puzzles are deterministic with no randomness.
Portal 2 leans a little harder on optimization, though the gap is small.
Palworld
Base automation, breeding chains, gear progression
Portal 2
Solving the puzzle's logic IS the entire game.
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.