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
Atmospheric sci-fi puzzler about swapping consciousness between your own clones.
Bloxorz leans Optimization (Pure Optimization); The Swapper leans Optimization (Pure Optimization).
The Swapper leans a little harder on execution, though the gap is small.
Bloxorz
Deliberate moves; no time pressure.
The Swapper
Light platforming; precision rarely gates progress
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.
The Swapper
No opponent exists
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.
The Swapper
Deterministic rooms with no hidden state
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Bloxorz
Each level is a literally solvable move puzzle.
The Swapper
Clone-placement puzzles have fixed solvable 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.