head to head
vs
Postal 2vsZombie Apocalypse
Postal 2 leans Execution (Twitch Chaos); Zombie Apocalypse leans Execution (Pure Mechanics).
Postal 2Zombie Apocalypse
Axis by axis
Execution6 vs 7
Zombie Apocalypse leans harder on execution: Dual-stick aiming and dodging carry the survival
Reads0 vs 0
Even - both lean on reads about the same.
Variance4 vs 4
Even - both lean on variance about the same.
Optimization4 vs 4
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.