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.

Execution · Pure Mechanics
Family-friendly rhythm charts where hitting scrolling notes on time is everything.

Execution · Pure Mechanics
Cute two-button rhythm game where everything reduces to hitting notes on beat.
LEGO Rock Band leans Execution (Pure Mechanics); Muse Dash leans Execution (Pure Mechanics).
Muse Dash leans a little harder on execution, though the gap is small.
LEGO Rock Band
Perfect inputs literally full-combo every chart
Muse Dash
Two-lane rhythm hits at high BPM are pure hands
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
LEGO Rock Band
No opponent - charts never adapt
Muse Dash
Charts never adapt
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
LEGO Rock Band
Note charts are fixed and visible
Muse Dash
Fully deterministic note charts
Muse Dash leans a little harder on optimization, though the gap is small.
LEGO Rock Band
Overdrive activation timing is the only strategy layer
Muse Dash
Character buffs and chart memorization help margins
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.