head to head
Metro 2033vsWorld War Z: Aftermath
Metro 2033 leans Execution (Practiced Mastery); World War Z: Aftermath leans Execution (Practiced Mastery).
Metro 2033World War Z: Aftermath
Axis by axis
Execution5 vs 6
World War Z: Aftermath leans harder on execution: Horde shooting and melee timing carry every swarm
Reads0 vs 1
World War Z: Aftermath leans harder on reads: Zombies are pathfinding scripts, not minds
Variance3 vs 3
Even - both lean on variance about the same.
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.

