head to head
Front Mission 1st: Remake asks more than Portal 2, and the gap is variance.

Optimization · Pure Optimization
Engineering optimal Wanzer configurations and skill allocations to dominate scripted mech skirmishes.

Optimization · Pure Optimization
A first-person puzzle game where seeing the solution is the whole skill.
Front Mission 1st: Remake leans Optimization (Pure Optimization); Portal 2 leans Optimization (Pure Optimization).
Portal 2 leans a little harder on execution, though the gap is small.
Front Mission 1st: Remake
Turn-based; no twitch; Wanzer part targeting is planning-based
Portal 2
Portal placement requires some precision but timing is lenient.
Front Mission 1st: Remake leans a little harder on reads, though the gap is small.
Front Mission 1st: Remake
Enemy AI is scripted per mission type
Portal 2
No opponent; puzzles are static.
Front Mission 1st: Remake leans clearly harder on variance.
Front Mission 1st: Remake
Hit rates and shield proc randomness create meaningful combat variance
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.
Front Mission 1st: Remake
Wanzer part builds, weapon loadouts, and pilot skill allocation are the game
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.