head to head
Fallout: New Vegas asks more than Echo Night, and the gap is execution.

Optimization · Pure Optimization
A first-person ghost mystery testing investigation and puzzle mapping over reflexes.

Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.
Echo Night leans Optimization (Pure Optimization); Fallout: New Vegas leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Echo Night
First-person walking with rare chase escapes
Fallout: New Vegas
Shooter inputs with VATS assist
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Echo Night
Ghosts trigger on fixed conditions, never adapting
Fallout: New Vegas
Scripted factions and enemies
Echo Night leans a little harder on variance, though the gap is small.
Echo Night
Spirits' requirements are hidden information to uncover
Fallout: New Vegas
Some loot and crit RNG
Fallout: New Vegas leans clearly harder on optimization.
Echo Night
Mapping each ghost's appeasement puzzle solves the ship
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.