head to head
Call of Duty: World at WarvsLeft 4 Dead
Call of Duty: World at War leans Execution (Practiced Mastery); Left 4 Dead leans Execution (Twitch Chaos).
Call of Duty: World at WarLeft 4 Dead
Axis by axis
Execution7 vs 7
Even - both lean on execution about the same.
Reads3 vs 2
Call of Duty: World at War leans harder on reads: Human opponents reward positioning prediction
Variance3 vs 5
Left 4 Dead leans harder on variance: AI Director randomizes hordes, items, and specials
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.

