head to head
vs
HomefrontvsKillzone
Homefront leans Execution (Pure Mechanics); Killzone leans Execution (Practiced Mastery).
HomefrontKillzone
Axis by axis
Execution6 vs 6
Even - both lean on execution about the same.
Reads2 vs 2
Even - both lean on reads about the same.
Variance2 vs 1
Homefront leans harder on variance: Scripted setpieces, little randomness
Optimization3 vs 4
Killzone leans harder on optimization: Character choice and route knowledge solve each level
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.