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

Optimization · Pure Optimization
A cozy hidden-object stroll testing observation more than any system mastery.

Optimization · Pure Optimization
Claymation point-and-click adventure sculpted entirely from plasticine whimsy.
Please, Touch The Artwork 2 leans Optimization (Pure Optimization); The Neverhood 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.
Please, Touch The Artwork 2
Pointing at paintings has no skill ceiling
The Neverhood
Point-and-click; no dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Please, Touch The Artwork 2
No opponent exists in the gallery
The Neverhood
No opposition exists
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Please, Touch The Artwork 2
Hidden objects sit in fixed authored spots
The Neverhood
Puzzles hidden until discovered, then fixed
Please, Touch The Artwork 2 leans a little harder on optimization, though the gap is small.
Please, Touch The Artwork 2
Spotting and light puzzle logic is the whole gentle test
The Neverhood
Adventure puzzle chains with single solutions
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.