head to head
vs
Battlefield 2: Modern CombatvsKillzone 3
Battlefield 2: Modern Combat leans Execution (Pure Mechanics); Killzone 3 leans Execution (Pure Mechanics).
Battlefield 2: Modern CombatKillzone 3
Axis by axis
Execution7 vs 7
Even - both lean on execution about the same.
Reads4 vs 4
Even - both lean on reads about the same.
Variance3 vs 2
Battlefield 2: Modern Combat leans harder on variance: Spawn and vehicle availability inject chaos
Optimization3 vs 4
Killzone 3 leans harder on optimization: Map control, loadouts and class roles structure multiplayer
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.