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 horror point-and-click hidden-object adventure about stopping a vampire queen.

Optimization · Pure Optimization
A comedic point-and-click adventure of pirate puzzles with fixed solutions.
Dracula: Love Kills leans Optimization (Pure Optimization); Escape from Monkey Island leans Optimization (Pure Optimization).
Dracula: Love Kills leans a little harder on execution, though the gap is small.
Dracula: Love Kills
Point-and-click with light hidden-object timing
Escape from Monkey Island
Pointing and walking only
Dracula: Love Kills leans a little harder on reads, though the gap is small.
Dracula: Love Kills
Solo adventure, scripted characters
Escape from Monkey Island
No opponent
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Dracula: Love Kills
Puzzles fixed, minimal randomness
Escape from Monkey Island
Puzzle solutions hidden until discovered
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Dracula: Love Kills
Puzzle and hidden-object solving is the loop
Escape from Monkey Island
Once known, every puzzle has one fixed answer
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.