head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

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

Optimization · Pure Optimization
Puzzle-like stealth levels solved by sequencing your band's abilities optimally.
Fallout: New Vegas leans Optimization (Pure Optimization); Robin Hood: The Legend of Sherwood 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
Robin Hood: The Legend of Sherwood
Mouse-drawn sword duels add a small dexterity layer
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Robin Hood: The Legend of Sherwood
Guard patrols follow fixed mappable routines
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
Robin Hood: The Legend of Sherwood
Unknown layouts only until scouted
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Robin Hood: The Legend of Sherwood
Sequencing distractions, knockouts and Merry Men abilities solves each level
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.