head to head
vs
BioShock 2vsOutcast - A New Beginning
BioShock 2 leans Execution (Practiced Mastery); Outcast - A New Beginning leans Optimization (Practiced Mastery).
BioShock 2Outcast - A New Beginning
Axis by axis
Execution5 vs 4
BioShock 2 leans harder on execution: Dual-wield drill and gun timing matter.
Reads1 vs 1
Even - both lean on reads about the same.
Variance2 vs 1
BioShock 2 leans harder on variance: Sister-gathering waves add randomness.
Optimization5 vs 5
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.