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
A brutal minimalist platformer where flipping gravity replaces jumping.
LEGO Rock Band leans Execution (Pure Mechanics); VVVVVV leans Execution (Pure Mechanics).
VVVVVV leans a little harder on execution, though the gap is small.
LEGO Rock Band
Perfect inputs literally full-combo every chart
VVVVVV
Pixel-perfect gravity flips through spike gauntlets
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
VVVVVV
No opponent
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
VVVVVV
Every hazard is fixed and visible
VVVVVV leans a little harder on optimization, though the gap is small.
LEGO Rock Band
Overdrive activation timing is the only strategy layer
VVVVVV
Routes are short and obvious; execution is everything
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.