head to head
Fallout: New Vegas asks more than All Guns on Deck, and the gap is optimization.

Optimization · Pure Optimization
A naval strategy-action hybrid testing fleet management and conquest planning.

Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.
All Guns on Deck leans Optimization (Pure Optimization); Fallout: New Vegas leans Optimization (Pure Optimization).
Fallout: New Vegas leans a little harder on execution, though the gap is small.
All Guns on Deck
Light action combat with modest timing demands
Fallout: New Vegas
Shooter inputs with VATS assist
All Guns on Deck leans a little harder on reads, though the gap is small.
All Guns on Deck
Faction AI is scripted, no adaptive prediction
Fallout: New Vegas
Scripted factions and enemies
All Guns on Deck leans a little harder on variance, though the gap is small.
All Guns on Deck
Battle outcomes have some rolled randomness
Fallout: New Vegas
Some loot and crit RNG
Fallout: New Vegas leans clearly harder on optimization.
All Guns on Deck
Fleet management and strategic conquest is the core layer
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.