head to head
Total War: Warhammer 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
Combining campaign economy optimization with real-time battle micro and army-composition depth.
Portal 2 leans Optimization (Pure Optimization); Total War: Warhammer leans Optimization (Pure Optimization).
Total War: Warhammer leans clearly harder on execution.
Portal 2
Portal placement requires some precision but timing is lenient.
Total War: Warhammer
Real-time battles demand unit micro, flanking, and spell timing
Total War: Warhammer leans clearly harder on reads.
Portal 2
No opponent; puzzles are static.
Total War: Warhammer
Human PvP adds reads; AI follows static attack patterns on campaign
Total War: Warhammer leans clearly harder on variance.
Portal 2
Puzzles are deterministic with no randomness.
Total War: Warhammer
Random campaign events and hero skill rolls add moderate 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
Army composition, skill tree routing, and campaign economy 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.