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

Optimization · Pure Optimization
Planning support bonuses and BEXP investment to navigate tightly scripted tactical maps.

Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.
Fire Emblem: Path of Radiance 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: Path of Radiance
GCN menu combat; no real-time inputs
Portal 2
Portal placement requires some precision but timing is lenient.
Fire Emblem: Path of Radiance leans a little harder on reads, though the gap is small.
Fire Emblem: Path of Radiance
Fixed-script enemy AI with predictable targeting priority
Portal 2
No opponent; puzzles are static.
Fire Emblem: Path of Radiance leans clearly harder on variance.
Fire Emblem: Path of Radiance
Hit rates and level-up rolls provide mild uncertainty; BEXP smooths it
Portal 2
Puzzles are deterministic with no randomness.
Portal 2 leans a little harder on optimization, though the gap is small.
Fire Emblem: Path of Radiance
BEXP allocation, staff usage, and transfer bonuses to Radiant Dawn are key
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.