head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

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

Optimization · Pure Optimization
Story-heavy deckbuilder of clashing dice and floor-by-floor library combat.
Fire Emblem: Awakening leans Optimization (Pure Optimization); Library of Ruina leans Optimization (Pure Optimization).
Fire Emblem: Awakening 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
Library of Ruina
Turn-based card combat, no input precision.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Fire Emblem: Awakening
Enemies follow simple aggro patterns on fixed maps
Library of Ruina
Scripted enemy decks, no adaptive opponent.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Fire Emblem: Awakening
Hit and crit rates plus random level-up stats create run variance
Library of Ruina
Dice rolls and draws swing fights moderately.
Library of Ruina 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
Library of Ruina
Deck construction and clash math is deeply solvable.
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.