head to head
Portal asks more than LEGO City Undercover, and the gap is optimization.

Optimization · Pure Optimization
Open-city LEGO cop comedy stuffed with disguise-gated collectibles.

Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
LEGO City Undercover leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Portal leans clearly harder on execution.
LEGO City Undercover
Easygoing chases, brawls, and platforming
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.
LEGO City Undercover
Scripted crooks
Portal
No adversary modeling player.
LEGO City Undercover leans a little harder on variance, though the gap is small.
LEGO City Undercover
Open city fixed once explored
Portal
Deterministic chambers; no randomness.
Portal leans clearly harder on optimization.
LEGO City Undercover
Disguise-ability gating across a collectible-stuffed city
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.