head to head
Fallout: New Vegas asks more than Zero Escape: Virtue's Last Reward, 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 prisoner's-dilemma branching puzzle where the full route map is a solvable logic problem.
Fallout: New Vegas leans Optimization (Pure Optimization); Zero Escape: Virtue's Last Reward leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
Zero Escape: Virtue's Last Reward
Puzzle manipulation only; no timing pressure
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Zero Escape: Virtue's Last Reward
Ally/betray choices follow fixed scripts per character
Zero Escape: Virtue's Last Reward leans a little harder on variance, though the gap is small.
Fallout: New Vegas
Some loot and crit RNG
Zero Escape: Virtue's Last Reward
Hidden partner allegiances and chromatic door codes obscure paths
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Zero Escape: Virtue's Last Reward
Solving every AB game combination and escape room to chart the route tree
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.