head to head
Survivalist asks more than Fallout: New Vegas, and the gap is variance.

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

Optimization · Pure Optimization
Managing a survivor community's economy and defenses after the collapse.
Fallout: New Vegas leans Optimization (Pure Optimization); Survivalist leans Optimization (Pure Optimization).
Fallout: New Vegas leans a little harder on execution, though the gap is small.
Fallout: New Vegas
Shooter inputs with VATS assist
Survivalist
Top-down combat needs only modest aim and kiting
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Survivalist
NPC factions follow systemic scripts, not adaptation
Survivalist leans clearly harder on variance.
Fallout: New Vegas
Some loot and crit RNG
Survivalist
Scavenging finds and event triggers are hidden until explored
Fallout: New Vegas leans a little harder on optimization, though the gap is small.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Survivalist
Community building, farming and trade economy are the solvable core
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.