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
Hand-drawn puzzle where overlapping illustrated panels unlock impossible connections.

Optimization · Pure Optimization
Bleak Ellison adaptation where five tortured souls face a sadistic AI.
Gorogoa leans Optimization (Pure Optimization); I Have No Mouth, and I Must Scream 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.
Gorogoa
Dragging panels requires no skill
I Have No Mouth, and I Must Scream
Pure 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.
Gorogoa
No opponent exists
I Have No Mouth, and I Must Scream
AM is scripted despite the menace
I Have No Mouth, and I Must Scream leans a little harder on variance, though the gap is small.
Gorogoa
Solutions unknown on first encounter only
I Have No Mouth, and I Must Scream
Obscure 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.
Gorogoa
Each panel arrangement has one elegant solvable answer
I Have No Mouth, and I Must Scream
Puzzle chains and ethical-path knowledge
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.