head to head
vs
New Super Mario Bros. U DeluxevsRhythm Heaven
New Super Mario Bros. U Deluxe leans Execution (Pure Mechanics); Rhythm Heaven leans Execution (Pure Mechanics).
New Super Mario Bros. U DeluxeRhythm Heaven
Axis by axis
Execution8 vs 9
Rhythm Heaven leans harder on execution: Pure timing precision against audio cues.
Reads0 vs 0
Even - both lean on reads about the same.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization3 vs 2
New Super Mario Bros. U Deluxe leans harder on optimization: level routing for speed/collectibles
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.