Building comparison
head to head
Fallout 4vsPortal
Fallout 4 asks more than Portal, and the gap is variance.
Fallout 4
Optimization · Pure Optimization
An open-world shooter-RPG won by perk routing and weapon mod optimization.
Portal
Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Fallout 4 leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Fallout 4Portal
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.
Fallout 4
FPS aiming, VATS softens demand
Portal
Portal placement timing modest.
Reads1 vs 0
Fallout 4 leans a little harder on reads, though the gap is small.
Fallout 4
Scripted enemy AI
Portal
No adversary modeling player.
Variance2 vs 0
Fallout 4 leans clearly harder on variance.
Fallout 4
Loot and legendary rolls
Portal
Deterministic chambers; no randomness.
Optimization7 vs 8
Portal leans a little harder on optimization, though the gap is small.
Fallout 4
Perks, settlement, weapon mod planning
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.