head to head
vs
Half-Life 2vsWii Play: Motion
Half-Life 2 leans Execution (Pure Mechanics); Wii Play: Motion leans Execution (Pure Mechanics).
Half-Life 2Wii Play: Motion
Axis by axis
Execution6 vs 6
Even - both lean on execution about the same.
Reads1 vs 1
Even - both lean on reads about the same.
Variance1 vs 2
Wii Play: Motion leans harder on variance: minor randomness in minigame setups
Optimization3 vs 2
Half-Life 2 leans harder on optimization: Linear progression with no builds.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.