head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Optimization · Pure Optimization
Untangling surreal fixed puzzle chains room by macabre room.

Optimization · Pure Optimization
Classic item-combination puzzle solving in a hand-drawn world.
Rusty Lake Hotel leans Optimization (Pure Optimization); The Inner World 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.
Rusty Lake Hotel
Pointing and clicking - no dexterity involved
The Inner World
Pointing and clicking, no dexterity
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Rusty Lake Hotel
No opponents, only macabre puzzle rooms
The Inner World
Asposia's characters are scripted
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Rusty Lake Hotel
Solutions are hidden until discovered, then fixed
The Inner World
Puzzle states hidden until explored, then fixed
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Rusty Lake Hotel
Chaining surreal puzzle logic per room is the whole game
The Inner World
Combining items through fixed puzzle logic is the game
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.