head to head
Metroid Prime 3: CorruptionvsRoll Away
Metroid Prime 3: Corruption leans Optimization (Practiced Mastery); Roll Away leans Optimization (Practiced Mastery).
Metroid Prime 3: CorruptionRoll Away
Axis by axis
Execution5 vs 5
Even - both lean on execution about the same.
Reads0 vs 0
Even - both lean on reads about the same.
Variance1 vs 0
Metroid Prime 3: Corruption leans harder on variance: Deterministic worlds.
Optimization6 vs 7
Roll Away leans harder on optimization: Working out the gravity-shift route through each level is the game
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

