head to head
vs
Left 4 Dead 2vsNine Parchments
Left 4 Dead 2 leans Execution (Practiced Mastery); Nine Parchments leans Execution (Twitch Chaos).
Left 4 Dead 2Nine Parchments
Axis by axis
Execution6 vs 6
Even - both lean on execution about the same.
Reads3 vs 2
Left 4 Dead 2 leans harder on reads: Versus special-infected ambushes have reads
Variance5 vs 5
Even - both lean on variance about the same.
Optimization6 vs 5
Left 4 Dead 2 leans harder on optimization: Route knowledge and weapon picks solvable
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.