head to head
vs
New Super Mario Bros. U DeluxevsRhythm Heaven Megamix
New Super Mario Bros. U Deluxe leans Execution (Pure Mechanics); Rhythm Heaven Megamix leans Execution (Pure Mechanics).
New Super Mario Bros. U DeluxeRhythm Heaven Megamix
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
New Super Mario Bros. U Deluxe leans harder on variance: minor enemy placement randomness
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.