head to head
vs
PaRappa the Rapper 2vsRock Band 2
PaRappa the Rapper 2 leans Execution (Pure Mechanics); Rock Band 2 leans Execution (Pure Mechanics).
PaRappa the Rapper 2Rock Band 2
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance1 vs 0
PaRappa the Rapper 2 leans harder on variance: Songs are fully deterministic call-and-response
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.