head to head
vs
EyeToy: Play 3vsWii Play
EyeToy: Play 3 leans Execution (Pure Mechanics); Wii Play leans Execution (Pure Mechanics).
EyeToy: Play 3Wii Play
Axis by axis
Execution6 vs 5
EyeToy: Play 3 leans harder on execution: Physical body movement in front of the camera is everything
Reads1 vs 2
Wii Play leans harder on reads: Two-player duels add slight mutual prediction
Variance2 vs 2
Even - both lean on variance about the same.
Optimization1 vs 2
Wii Play leans harder on optimization: Minigames are too shallow to deeply optimise
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.