head to head
vs
StepManiavsVVVVVV
StepMania leans Execution (Pure Mechanics); VVVVVV leans Execution (Pure Mechanics).
StepManiaVVVVVV
Axis by axis
Execution10 vs 9
StepMania leans harder on execution: Hitting dense arrow streams on time is literally everything
Reads0 vs 0
Even - both lean on reads about the same.
Variance0 vs 0
Even - both lean on variance about the same.
Optimization2 vs 3
VVVVVV leans harder on optimization: Routes are short and obvious; execution is everything
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.