head to head
vs
BioShock 2vsYakuza 6: The Song of Life
BioShock 2 leans Execution (Practiced Mastery); Yakuza 6: The Song of Life leans Optimization (Practiced Mastery).
BioShock 2Yakuza 6: The Song of Life
Axis by axis
Execution5 vs 5
Even - both lean on execution about the same.
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 6
Yakuza 6: The Song of Life leans harder on optimization: Stat feeding and heat upgrades are straightforward systems.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.