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

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

Optimization · Pure Optimization
A 90s-set mystery adventure following a motorcycle-riding journalist into her hometown's secrets.
Fallout: New Vegas leans Optimization (Pure Optimization); Kathy Rain leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
Kathy Rain
No physical demands
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Kathy Rain
No adaptive opponent
Kathy Rain leans a little harder on variance, though the gap is small.
Fallout: New Vegas
Some loot and crit RNG
Kathy Rain
Mystery beats are hidden only until discovered
Fallout: New Vegas leans a little harder on optimization, though the gap is small.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Kathy Rain
Fixed puzzle and dialogue chain; one solution path
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.