head to head
WoW Classic asks more than Portal 2, and the gap is reads.

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

Optimization · Pure Optimization
A slower, more deliberate MMORPG where optimal preparation and class knowledge define performance.
Portal 2 leans Optimization (Pure Optimization); WoW Classic leans Optimization (Pure Optimization).
WoW Classic leans clearly harder on execution.
Portal 2
Portal placement requires some precision but timing is lenient.
WoW Classic
Slower combat reduces twitch ceiling versus retail
WoW Classic leans clearly harder on reads.
Portal 2
No opponent; puzzles are static.
WoW Classic
World PvP and battlegrounds involve real human prediction
WoW Classic leans clearly harder on variance.
Portal 2
Puzzles are deterministic with no randomness.
WoW Classic
Resist RNG and gear drops add meaningful hidden randomness
Portal 2 leans a little harder on optimization, though the gap is small.
Portal 2
Solving the puzzle's logic IS the entire game.
WoW Classic
Class specs, consumable lists, and dungeon routes are deeply solvable
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.