head to head
Portal asks more than Before We Leave, and the gap is execution.

Optimization · Pure Optimization
A nonviolent, cozy city builder about rebuilding civilization across hex-tile islands and planets.

Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Before We Leave leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Portal leans clearly harder on execution.
Before We Leave
Relaxed pace; no combat or timing pressure.
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.
Before We Leave
No opponents at all; space whales are scripted hazards.
Portal
No adversary modeling player.
Before We Leave leans a little harder on variance, though the gap is small.
Before We Leave
Hex planet layouts vary slightly between runs.
Portal
Deterministic chambers; no randomness.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Before We Leave
Supply chains across hex islands and planets are the entire test.
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.