head to head
Neither is simply harder - they are hard in different places. Capes demands more reads; Fallout: New Vegas demands more execution.

Optimization · Pure Optimization
A turn-based superhero tactics game about optimizing team synergies and positioning.

Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.
Capes leans Optimization (Pure Optimization); Fallout: New Vegas leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Capes
Turn-based, no manual aim or reflex
Fallout: New Vegas
Shooter inputs with VATS assist
Capes leans clearly harder on reads.
Capes
Enemy AI is scripted, limited adaptive prediction
Fallout: New Vegas
Scripted factions and enemies
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Capes
Few random elements; outcomes are mostly deterministic
Fallout: New Vegas
Some loot and crit RNG
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Capes
Ability synergies, positioning, and team composition are the core
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
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.