Building comparison
head to head
Portal 2vsResident Evil 2
Resident Evil 2 asks more than Portal 2, and the gap is variance.
Portal 2
Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.
Resident Evil 2
Optimization · Pure Optimization
The classic survival horror sequel where ammo budgeting and route knowledge tame Raccoon City.
Portal 2 leans Optimization (Pure Optimization); Resident Evil 2 leans Optimization (Pure Optimization).
Portal 2Resident Evil 2
Axis by axis
Execution3 vs 4
Resident Evil 2 leans a little harder on execution, though the gap is small.
Portal 2
Portal placement requires some precision but timing is lenient.
Resident Evil 2
Tank controls and aim need competence, not mastery
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Portal 2
No opponent; puzzles are static.
Resident Evil 2
Zombies are scripted, never adaptive
Variance0 vs 4
Resident Evil 2 leans clearly harder on variance.
Portal 2
Puzzles are deterministic with no randomness.
Resident Evil 2
First-run item and enemy placement is hidden information
Optimization9 vs 8
Portal 2 leans a little harder on optimization, though the gap is small.
Portal 2
Solving the puzzle's logic IS the entire game.
Resident Evil 2
Routing, ammo economy, and puzzles fully converge on replay
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.