head to head
Fallout: New Vegas asks more than Sherlock Holmes: The Devil's Daughter, and the gap is execution.

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

Optimization · Pure Optimization
Investigation and deduction-tree logic with token action interludes.
Fallout: New Vegas leans Optimization (Pure Optimization); Sherlock Holmes: The Devil's Daughter leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
Sherlock Holmes: The Devil's Daughter
Occasional action minigames, mostly trivial
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
Sherlock Holmes: The Devil's Daughter
Suspects are written characters, not adapting minds
Sherlock Holmes: The Devil's Daughter leans a little harder on variance, though the gap is small.
Fallout: New Vegas
Some loot and crit RNG
Sherlock Holmes: The Devil's Daughter
Case clues are hidden until investigated
Fallout: New Vegas leans a little harder on optimization, though the gap is small.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
Sherlock Holmes: The Devil's Daughter
Deduction-tree reasoning from gathered evidence is the game
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.