Building comparison
head to head
Metroid II: Return of SamusvsPortal
Metroid II: Return of Samus asks more than Portal, and the gap is variance.
Metroid II: Return of Samus
Optimization · Pure Optimization
The Game Boy expedition that turns Metroid into a methodical extermination checklist deep inside SR388.
Portal
Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Metroid II: Return of Samus leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Metroid II: Return of SamusPortal
Axis by axis
Execution4 vs 4
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Metroid II: Return of Samus
Cramped Game Boy combat against Metroid forms.
Portal
Portal placement timing modest.
Reads0 vs 0
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Metroid II: Return of Samus
Creatures follow fixed behaviours.
Portal
No adversary modeling player.
Variance2 vs 0
Metroid II: Return of Samus leans clearly harder on variance.
Metroid II: Return of Samus
Disorienting unknown caverns until mapped.
Portal
Deterministic chambers; no randomness.
Optimization7 vs 8
Portal leans a little harder on optimization, though the gap is small.
Metroid II: Return of Samus
Hunting all 39 Metroids is methodical route work.
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.