head to head
Fallout: New Vegas asks more than AI: The Somnium Files - nirvanA Initiative, and the gap is execution.

Optimization · Pure Optimization
A split-timeline mystery where both investigators' Somnium puzzles must be solved in the right order.

Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.
AI: The Somnium Files - nirvanA Initiative leans Optimization (Pure Optimization); Fallout: New Vegas leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
AI: The Somnium Files - nirvanA Initiative
Somnium sequences have light time-pressure interactions
Fallout: New Vegas
Shooter inputs with VATS assist
Fallout: New Vegas leans a little harder on reads, though the gap is small.
AI: The Somnium Files - nirvanA Initiative
All story branches are predetermined scripts
Fallout: New Vegas
Scripted factions and enemies
AI: The Somnium Files - nirvanA Initiative leans a little harder on variance, though the gap is small.
AI: The Somnium Files - nirvanA Initiative
Dual-protagonist hidden information creates route uncertainty
Fallout: New Vegas
Some loot and crit RNG
Fallout: New Vegas leans clearly harder on optimization.
AI: The Somnium Files - nirvanA Initiative
Charting both timelines to the true ending is a mappable deduction puzzle
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
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.