head to head
Door Kickers 2 asks more than Portal, and the gap is variance.

Optimization · Pure Optimization
A top-down tactical planner testing optimal room-clearing routes against fixed enemy placements.

Optimization · Pure Optimization
The portal-gun puzzle game whose solutions are everything.
Door Kickers 2 leans Optimization (Pure Optimization); Portal leans Optimization (Pure Optimization).
Portal leans a little harder on execution, though the gap is small.
Door Kickers 2
Real-time pause planning, no aiming twitch needed
Portal
Portal placement timing modest.
Door Kickers 2 leans clearly harder on reads.
Door Kickers 2
Enemies follow scripted patrols, not adaptive minds
Portal
No adversary modeling player.
Door Kickers 2 leans clearly harder on variance.
Door Kickers 2
Enemy positions and reactions hidden until breached
Portal
Deterministic chambers; no randomness.
Door Kickers 2 leans a little harder on optimization, though the gap is small.
Door Kickers 2
Planning optimal breach routes and timing wins every mission
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.