head to head
vs
Mount Your FriendsvsWii Sports
Mount Your Friends leans Execution (Pure Mechanics); Wii Sports leans Execution (Pure Mechanics).
Mount Your FriendsWii Sports
Axis by axis
Execution8 vs 6
Mount Your Friends leans harder on execution: QWOP-like limb control under a timer is the entire challenge
Reads2 vs 2
Even - both lean on reads about the same.
Variance1 vs 2
Wii Sports leans harder on variance: Minor physics wobble and CPU behaviour randomness
Optimization3 vs 3
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.