head to head
vs
Mario Bros.vsXybots
Mario Bros. leans Execution (Pure Mechanics); Xybots leans Execution (Practiced Mastery).
Mario Bros.Xybots
Axis by axis
Execution7 vs 6
Mario Bros. leans harder on execution: Precise jumps and bump timing under crowding enemies decide survival
Reads1 vs 1
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization4 vs 4
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.