head to head
vs
Guitar Hero: World TourvsRetro/Grade
Guitar Hero: World Tour leans Execution (Pure Mechanics); Retro/Grade leans Execution (Pure Mechanics).
Guitar Hero: World TourRetro/Grade
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance0 vs 1
Retro/Grade leans harder on variance: Patterns are fixed and fully learnable
Optimization4 vs 3
Guitar Hero: World Tour leans harder on optimization: Star power activation paths drive top scores
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.