head to head
Vintage Story 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
Mastering a richly simulated survival world through its layered metallurgy and seasonal farming systems.
Portal 2 leans Optimization (Pure Optimization); Vintage Story leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Portal 2
Portal placement requires some precision but timing is lenient.
Vintage Story
Combat has deliberate timing; temporal storms add pressure
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.
Vintage Story
Drifters and enemies use scripted attack patterns
Vintage Story leans clearly harder on variance.
Portal 2
Puzzles are deterministic with no randomness.
Vintage Story
World generation and ore veins are hidden and randomised
Portal 2 leans a little harder on optimization, though the gap is small.
Portal 2
Solving the puzzle's logic IS the entire game.
Vintage Story
Metallurgy progression and agriculture cycles are deeply systematic
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.