head to head
vs
DestinyvsLeft 4 Dead
Destiny leans Execution (Practiced Mastery); Left 4 Dead leans Execution (Twitch Chaos).
DestinyLeft 4 Dead
Axis by axis
Execution7 vs 7
Even - both lean on execution about the same.
Reads3 vs 2
Destiny leans harder on reads: Crucible PvP adds genuine human prediction.
Variance4 vs 5
Left 4 Dead leans harder on variance: AI Director randomizes hordes, items, and specials
Optimization6 vs 5
Destiny leans harder on optimization: Loadout meta and raid routes are solvable 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.