head to head
War for the Overworld 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 Dungeon Keeper successor about building an evil lair and crushing do-gooders.
Portal 2 leans Optimization (Pure Optimization); War for the Overworld 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.
War for the Overworld
Mouse-driven dungeon management; light APM demand
War for the Overworld leans clearly harder on reads.
Portal 2
No opponent; puzzles are static.
War for the Overworld
Skirmish humans adapt; campaign AI is scripted
War for the Overworld leans clearly harder on variance.
Portal 2
Puzzles are deterministic with no randomness.
War for the Overworld
Enemy dungeon layout hidden until scouted
Portal 2 leans a little harder on optimization, though the gap is small.
Portal 2
Solving the puzzle's logic IS the entire game.
War for the Overworld
Room economy, minion synergy, and build order dominate
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.