head to head
Portal asks more than Quadrilateral Cowboy, and the gap is execution.

Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.

Optimization · Pure Optimization
Heist puzzler where you type real commands into a deck to bypass security.
Portal leans Optimization (Pure Optimization); Quadrilateral Cowboy leans Optimization (Pure Optimization).
Portal leans clearly harder on execution.
Portal
Portal placement timing modest.
Quadrilateral Cowboy
Light real-time coordination of gadgets
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Portal
No adversary modeling player.
Quadrilateral Cowboy
Security systems are fixed scripts
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Portal
Deterministic chambers; no randomness.
Quadrilateral Cowboy
Heist layouts are knowable and deterministic
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Portal
Pure puzzle-solving optimization.
Quadrilateral Cowboy
Optimal command sequences and routes are solvable
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.