head to head
vs
Bit.Trip Beatvsosu!
Bit.Trip Beat leans Execution (Pure Mechanics); osu! leans Execution (Pure Mechanics).
Bit.Trip Beatosu!
Axis by axis
Execution9 vs 10
osu! leans harder on execution: Pixel-perfect cursor aim and tapping at extreme speeds
Reads0 vs 0
Even - both lean on reads about the same.
Variance1 vs 0
Bit.Trip Beat leans harder on variance: Patterns are fixed; only your memory is incomplete
Optimization2 vs 2
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.