Building comparison
head to head
HomefrontvsKillzone
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.
Homefront
Execution · Pure Mechanics
Linear military FPS about resisting an occupation of the United States.
Killzone
Execution · Practiced Mastery
Weighty corridor shooting through scripted encounters with light loadout choice.
Homefront leans Execution (Pure Mechanics); Killzone leans Execution (Practiced Mastery).
HomefrontKillzone
Axis by axis
Execution6 vs 6
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Homefront
Standard shooter gunplay carries the campaign
Killzone
Heavy gunplay still rewards aim and positioning
Reads2 vs 2
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Homefront
Multiplayer adds some human prediction
Killzone
Campaign Helghast follow scripts; servers are long dead
Variance2 vs 1
Homefront leans a little harder on variance, though the gap is small.
Homefront
Scripted setpieces, little randomness
Killzone
Encounters are fixed and replayable
Optimization3 vs 4
Killzone leans a little harder on optimization, though the gap is small.
Homefront
Modest loadout and map knowledge layer
Killzone
Character choice and route knowledge solve each level
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.