head to head
Fallout: New Vegas asks more than Return to Monkey Island, 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 puzzle-forward adventure testing creative lateral thinking against a fixed authored solution space.
Fallout: New Vegas leans Optimization (Pure Optimization); Return to Monkey Island leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
Return to Monkey Island
Modern hint system and relaxed interface remove all reflex demands
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Return to Monkey Island
Entirely authored puzzles with no adaptive opponent
Fallout: New Vegas leans a little harder on variance, though the gap is small.
Fallout: New Vegas
Some loot and crit RNG
Return to Monkey Island
Virtually no randomness; solutions are static
Fallout: New Vegas leans a little harder on optimization, though the gap is small.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Return to Monkey Island
Lateral-thinking item puzzles require mapping cause and effect chains
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.