head to head
Fallout: New Vegas asks more than Cut the Rope, and the gap is variance.

Optimization · Pure Optimization
Mobile physics puzzler about slicing ropes to feed candy to a little monster.

Optimization · Pure Optimization
A faction-driven RPG-shooter where build and route planning shape every ending.
Cut the Rope 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.
Cut the Rope
timing cuts as physics swing
Fallout: New Vegas
Shooter inputs with VATS assist
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Cut the Rope
no adaptive opponent
Fallout: New Vegas
Scripted factions and enemies
Fallout: New Vegas leans clearly harder on variance.
Cut the Rope
every level is fully deterministic
Fallout: New Vegas
Some loot and crit RNG
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Cut the Rope
each level is a solvable physics puzzle
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.