head to head
Gothic 3 asks more than Portal, and the gap is variance.

Optimization · Pure Optimization
An open-world action RPG blending clunky combat timing with long-haul character and faction planning.

Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Gothic 3 leans Optimization (Pure Optimization); Portal 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.
Gothic 3
Real-time melee timing and kiting matter.
Portal
Portal placement timing modest.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Gothic 3
Wildlife and orcs follow fixed AI.
Portal
No adversary modeling player.
Gothic 3 leans clearly harder on variance.
Gothic 3
Unknown world content on first run.
Portal
Deterministic chambers; no randomness.
Portal leans a little harder on optimization, though the gap is small.
Gothic 3
Learning points, faction routes, and gear progression decide power.
Portal
Pure puzzle-solving optimization.
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.