head to head
vs
AudiosurfvsHalf-Life: Alyx
Audiosurf leans Execution (Pure Mechanics); Half-Life: Alyx leans Execution (Pure Mechanics).
AudiosurfHalf-Life: Alyx
Axis by axis
Execution7 vs 7
Even - both lean on execution about the same.
Reads0 vs 1
Half-Life: Alyx leans harder on reads: Combine and headcrabs scripted.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization4 vs 3
Audiosurf leans harder on optimization: Block-matching color strategy learnable per song.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.