head to head
Kick Off 2vsKillzone 2
Kick Off 2 leans Execution (Pure Mechanics); Killzone 2 leans Execution (Pure Mechanics).
Kick Off 2Killzone 2
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads5 vs 4
Kick Off 2 leans harder on reads: Human matches reward predicting passes and tackle timing
Variance2 vs 2
Even - both lean on variance about the same.
Optimization3 vs 4
Killzone 2 leans harder on optimization: Class unlocks and map control are learnable
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.

