head to head
vs
Killzone 3vsPerfect Dark
Killzone 3 leans Execution (Pure Mechanics); Perfect Dark leans Execution (Practiced Mastery).
Killzone 3Perfect Dark
Axis by axis
Execution7 vs 7
Even - both lean on execution about the same.
Reads4 vs 3
Killzone 3 leans harder on reads: Multiplayer opponents flank and bait; campaign AI is scripted
Variance2 vs 2
Even - both lean on variance about the same.
Optimization4 vs 5
Perfect Dark leans harder on optimization: Objective routing on harder difficulty tiers
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.