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

Optimization · Pure Optimization
A detective adventure about gathering clues to solve an authored murder case.

Optimization · Pure Optimization
Noir DS adventure about interrogating hotel guests to unpick a mystery.
Agatha Christie: Hercule Poirot - The London Case leans Optimization (Pure Optimization); Hotel Dusk: Room 215 leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Agatha Christie: Hercule Poirot - The London Case
Point-and-click interaction needs no physical skill
Hotel Dusk: Room 215
Stylus puzzles need negligible dexterity
Agatha Christie: Hercule Poirot - The London Case leans a little harder on reads, though the gap is small.
Agatha Christie: Hercule Poirot - The London Case
Suspects are scripted, not adapting to your deductions
Hotel Dusk: Room 215
Characters follow a fixed narrative script
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Agatha Christie: Hercule Poirot - The London Case
Clues hidden until found, but fully authored
Hotel Dusk: Room 215
Story info hidden until questioned out
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Agatha Christie: Hercule Poirot - The London Case
Connecting evidence to solve the fixed case is the work
Hotel Dusk: Room 215
Choosing right dialogue and solving set puzzles
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.
full breakdown
Agatha Christie: Hercule Poirot - The London Case →
full breakdown
Hotel Dusk: Room 215 →