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.

Execution · Pure Mechanics
A rhythm racer that turns any music file into a reflex puzzle track.

Execution · Pure Mechanics
A Columns-style falling-block test of placement speed under acceleration.
Audiosurf leans Execution (Pure Mechanics); Magic Jewelry leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Audiosurf
Lane-switching to the beat tests reaction speed.
Magic Jewelry
Fast column placement under accelerating drop speed
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Audiosurf
No opponent.
Magic Jewelry
Solo puzzle, nothing to predict
Magic Jewelry leans a little harder on variance, though the gap is small.
Audiosurf
Track generated from song, then fixed.
Magic Jewelry
Random jewel columns are bounded and mappable
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Audiosurf
Block-matching color strategy learnable per song.
Magic Jewelry
Stacking for chain matches has known patterns
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.