head to head
Fallout: New Vegas asks more than The Testament of Sherlock Holmes, and the gap is execution.

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

Optimization · Pure Optimization
Evidence-gathering and deduction-board logic with no physical or adversarial layer.
Fallout: New Vegas leans Optimization (Pure Optimization); The Testament of Sherlock Holmes leans Optimization (Pure Optimization).
Fallout: New Vegas leans clearly harder on execution.
Fallout: New Vegas
Shooter inputs with VATS assist
The Testament of Sherlock Holmes
Pointing and clicking through crime scenes
Fallout: New Vegas leans a little harder on reads, though the gap is small.
Fallout: New Vegas
Scripted factions and enemies
The Testament of Sherlock Holmes
Suspects are written, not adapting
The Testament of Sherlock Holmes leans a little harder on variance, though the gap is small.
Fallout: New Vegas
Some loot and crit RNG
The Testament of Sherlock Holmes
Clues are hidden information until uncovered
Fallout: New Vegas leans a little harder on optimization, though the gap is small.
Fallout: New Vegas
Faction routing, perks, builds heavily rewarded
The Testament of Sherlock Holmes
The deduction board is a solvable logic puzzle
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.