head to head
Door Kickers 2 asks more than Portal 2, 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
A first-person puzzle game where seeing the solution is the whole skill.
Door Kickers 2 leans Optimization (Pure Optimization); Portal 2 leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Door Kickers 2
Real-time pause planning, no aiming twitch needed
Portal 2
Portal placement requires some precision but timing is lenient.
Door Kickers 2 leans clearly harder on reads.
Door Kickers 2
Enemies follow scripted patrols, not adaptive minds
Portal 2
No opponent; puzzles are static.
Door Kickers 2 leans clearly harder on variance.
Door Kickers 2
Enemy positions and reactions hidden until breached
Portal 2
Puzzles are deterministic with no randomness.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Door Kickers 2
Planning optimal breach routes and timing wins every mission
Portal 2
Solving the puzzle's logic IS the entire game.
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.