head to head
Total War: Warhammer II asks more than Portal 2, and the gap is variance.

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

Optimization · Pure Optimization
Optimizing race mechanics and vortex rituals while executing real-time battle tactics.
Portal 2 leans Optimization (Pure Optimization); Total War: Warhammer II leans Optimization (Pure Optimization).
Total War: Warhammer II leans clearly harder on execution.
Portal 2
Portal placement requires some precision but timing is lenient.
Total War: Warhammer II
Unit micro, spell timing, and formation play drive battle outcomes
Total War: Warhammer II leans clearly harder on reads.
Portal 2
No opponent; puzzles are static.
Total War: Warhammer II
Vortex campaign AI predictable; human opponents require genuine reads
Total War: Warhammer II leans clearly harder on variance.
Portal 2
Puzzles are deterministic with no randomness.
Total War: Warhammer II
Rite costs, random loot drops, and chaos invasion timing create variance
Portal 2 leans a little harder on optimization, though the gap is small.
Portal 2
Solving the puzzle's logic IS the entire game.
Total War: Warhammer II
Race mechanics and vortex ritual routing are richly optimizable
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.