head to head
Fallout: New Vegas asks more than OneShot, and the gap is optimization.

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

Optimization · Pure Optimization
A meta puzzle adventure where the game knows your name and you only get one shot.
Fallout: New Vegas leans Optimization (Pure Optimization); OneShot leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
OneShot
Point-and-click pacing, no reflex test
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
OneShot
The game addresses you but never adapts strategically
Fallout: New Vegas leans a little harder on variance, though the gap is small.
Fallout: New Vegas
Some loot and crit RNG
OneShot
Deterministic puzzle world
Fallout: New Vegas leans clearly harder on optimization.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
OneShot
Fourth-wall puzzles have fixed solutions
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.