head to head
vs
Guitar Hero: MetallicavsSuper Mario Bros.
Guitar Hero: Metallica leans Execution (Pure Mechanics); Super Mario Bros. leans Execution (Pure Mechanics).
Guitar Hero: MetallicaSuper Mario Bros.
Axis by axis
Execution9 vs 8
Guitar Hero: Metallica leans harder on execution: Metallica's thrash charts are an endurance gauntlet
Reads0 vs 0
Even - both lean on reads about the same.
Variance0 vs 0
Even - both lean on variance about the same.
Optimization4 vs 5
Super Mario Bros. leans harder on optimization: Level memorisation and warp routing are fully solvable
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.