head to head
Fallout: New Vegas asks more than Slime Rancher 2, and the gap is optimization.

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

Optimization · Pure Optimization
A cheerful farming-sim sequel about ranching alien slimes for profit.
Fallout: New Vegas leans Optimization (Pure Optimization); Slime Rancher 2 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
Slime Rancher 2
light movement and vacuum-aim execution
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout: New Vegas
Scripted factions and enemies
Slime Rancher 2
no adaptive opposition, solo farming sim
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
Slime Rancher 2
slime spawn and behavior randomness minor
Fallout: New Vegas leans clearly harder on optimization.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Slime Rancher 2
ranch layout and economy optimization dominate
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.