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 flash puzzle about rolling a rectangular block into the hole without falling off.

Optimization · Pure Optimization
A perspective-rotation platformer with a hidden cryptographic layer that rewards patient decoding.
Bloxorz leans Optimization (Pure Optimization); Fez leans Optimization (Pure Optimization).
Fez leans a little harder on execution, though the gap is small.
Bloxorz
Deliberate moves; no time pressure.
Fez
Rotation and platforming needs light precision only
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Bloxorz
No opponent at all.
Fez
No opponent; solo exploration puzzle
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Bloxorz
Levels are fixed and fully visible.
Fez
World is fixed and deterministic
Fez leans a little harder on optimization, though the gap is small.
Bloxorz
Each level is a literally solvable move puzzle.
Fez
Decoding the deep cipher system and spatial cube logic is the core challenge
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.