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

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

Optimization · Pure Optimization
Uncovering a fixed murder mystery through inventory puzzles and deduction.
Fallout: New Vegas leans Optimization (Pure Optimization); Still Life leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
Still Life
Pointing and clicking carries no physical demand
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Still Life
The killer is a fixed narrative, not an adapting opponent
Still Life leans a little harder on variance, though the gap is small.
Fallout: New Vegas
Some loot and crit RNG
Still Life
The mystery's facts are hidden until uncovered
Fallout: New Vegas leans clearly harder on optimization.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Still Life
Inventory puzzles and deduction steps 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.