head to head
vs
Killzone 2vsSpeedball
Killzone 2 leans Execution (Pure Mechanics); Speedball leans Execution (Pure Mechanics).
Killzone 2Speedball
Axis by axis
Execution8 vs 7
Killzone 2 leans harder on execution: Weighty gunplay punishes imprecise aim hard
Reads4 vs 4
Even - both lean on reads about the same.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization4 vs 3
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.