head to head
Fallout: New Vegas asks more than Supermarket Simulator, 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 first-person shop management sim about stocking shelves, setting prices and growing a small supermarket.
Fallout: New Vegas leans Optimization (Pure Optimization); Supermarket Simulator leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
Supermarket Simulator
Stocking and checkout are light manual busywork.
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Supermarket Simulator
Customers follow simple scripted demand.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout: New Vegas
Some loot and crit RNG
Supermarket Simulator
Daily customer flow varies a little.
Fallout: New Vegas leans a little harder on optimization, though the gap is small.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Supermarket Simulator
Pricing margins, ordering and shelf layout drive growth.
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.