head to head
Fire Emblem: Awakening asks more than Portal 2, and the gap is variance.

Optimization · Pure Optimization
Engineering unit pairings and reclass paths to dominate maps whose enemy scripts are fully mappable.

Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.
Fire Emblem: Awakening leans Optimization (Pure Optimization); Portal 2 leans Optimization (Pure Optimization).
Portal 2 leans a little harder on execution, though the gap is small.
Fire Emblem: Awakening
No twitch elements; pair-up placement is the only spatial decision under time
Portal 2
Portal placement requires some precision but timing is lenient.
Fire Emblem: Awakening leans a little harder on reads, though the gap is small.
Fire Emblem: Awakening
Enemies follow simple aggro patterns on fixed maps
Portal 2
No opponent; puzzles are static.
Fire Emblem: Awakening leans clearly harder on variance.
Fire Emblem: Awakening
Hit and crit rates plus random level-up stats create run variance
Portal 2
Puzzles are deterministic with no randomness.
Portal 2 leans a little harder on optimization, though the gap is small.
Fire Emblem: Awakening
Marriage pairings and Second Seal reclass chains are the optimization spine
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.