head to head
vs
Half-Life: AlyxvsKinect Sports Rivals
Half-Life: Alyx leans Execution (Pure Mechanics); Kinect Sports Rivals leans Execution (Pure Mechanics).
Half-Life: AlyxKinect Sports Rivals
Axis by axis
Execution7 vs 7
Even - both lean on execution about the same.
Reads1 vs 1
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization3 vs 2
Half-Life: Alyx leans harder on optimization: Few systems to tune.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.