head to head
Recettear: An Item Shop's Tale asks more than Fallout: New Vegas, and the gap is variance.

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

Optimization · Pure Optimization
Item-shop management sim where you set prices to pay off a fairy's loan.
Fallout: New Vegas leans Optimization (Pure Optimization); Recettear: An Item Shop's Tale leans Optimization (Pure Optimization).
Fallout: New Vegas leans a little harder on execution, though the gap is small.
Fallout: New Vegas
Shooter inputs with VATS assist
Recettear: An Item Shop's Tale
Light action combat in optional dungeon crawls.
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Recettear: An Item Shop's Tale
Customer haggling follows mappable scripted tolerances.
Recettear: An Item Shop's Tale leans clearly harder on variance.
Fallout: New Vegas
Some loot and crit RNG
Recettear: An Item Shop's Tale
Market price swings and dungeon loot rolls.
Recettear: An Item Shop's Tale leans a little harder on optimization, though the gap is small.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Recettear: An Item Shop's Tale
Pricing margins, stock, and debt schedule are nearly solvable.
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.