head to head
vs
Dance Dance Revolution ExtremevsRock Band 2
Dance Dance Revolution Extreme leans Execution (Pure Mechanics); Rock Band 2 leans Execution (Pure Mechanics).
Dance Dance Revolution ExtremeRock Band 2
Axis by axis
Execution9 vs 8
Dance Dance Revolution Extreme leans harder on execution: Foot speed, stamina, and timing on dense step charts
Reads0 vs 0
Even - both lean on reads about the same.
Variance0 vs 0
Even - both lean on variance about the same.
Optimization3 vs 4
Rock Band 2 leans harder on optimization: Overdrive activation paths decide leaderboard scores
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.