head to head
Fallout: New Vegas asks more than Nightmares from the Deep 3: Davy Jones, and the gap is execution.

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

Optimization · Pure Optimization
Methodically scanning scenes and solving stock puzzles through a pirate story.
Fallout: New Vegas leans Optimization (Pure Optimization); Nightmares from the Deep 3: Davy Jones leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
Nightmares from the Deep 3: Davy Jones
Clicking hidden objects has no physical ceiling
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Nightmares from the Deep 3: Davy Jones
Story villains are fully scripted
Nightmares from the Deep 3: Davy Jones leans a little harder on variance, though the gap is small.
Fallout: New Vegas
Some loot and crit RNG
Nightmares from the Deep 3: Davy Jones
Object locations are unknown information until spotted
Fallout: New Vegas leans clearly harder on optimization.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Nightmares from the Deep 3: Davy Jones
Scene-scanning and puzzle logic converge to a checklist
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.