head to head
Neither is simply harder - they are hard in different places. Fallout: New Vegas demands more execution; Fire Emblem: Awakening demands more variance.

Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.

Optimization · Pure Optimization
Engineering unit pairings and reclass paths to dominate maps whose enemy scripts are fully mappable.
Fallout: New Vegas leans Optimization (Pure Optimization); Fire Emblem: Awakening leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
Fire Emblem: Awakening
No twitch elements; pair-up placement is the only spatial decision under time
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout: New Vegas
Scripted factions and enemies
Fire Emblem: Awakening
Enemies follow simple aggro patterns on fixed maps
Fire Emblem: Awakening leans clearly harder on variance.
Fallout: New Vegas
Some loot and crit RNG
Fire Emblem: Awakening
Hit and crit rates plus random level-up stats create run variance
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Fire Emblem: Awakening
Marriage pairings and Second Seal reclass chains are the optimization spine
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.