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

Optimization · Pure Optimization
A whimsical nature adventure that rewards curiosity and experimentation over systematic puzzle solving.

Optimization · Pure Optimization
Solving fixed item-combination puzzles inside a dark comic story.
Botanicula leans Optimization (Pure Optimization); Edna & Harvey: Harvey's New Eyes 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.
Botanicula
Exploration is gentle; no motor challenge anywhere
Edna & Harvey: Harvey's New Eyes
Pointing and clicking has no dexterity ceiling
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Botanicula
Ecological fable with no opponent to model
Edna & Harvey: Harvey's New Eyes
Characters are scripted comedy props
Botanicula leans a little harder on variance, though the gap is small.
Botanicula
Playful hidden interactions reward experimentation over deduction
Edna & Harvey: Harvey's New Eyes
Solutions are hidden until discovered once
Botanicula leans a little harder on optimization, though the gap is small.
Botanicula
Most solutions are found through joyful trial-and-error rather than logic chains
Edna & Harvey: Harvey's New Eyes
Item-combination logic puzzles have single fixed answers
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.