Building comparison
head to head
Call of Duty: Infinite WarfarevsKillzone 2
Neither is meaningfully harder - they pose close to the same test. The widest gap is variance, and it is a single point.
Call of Duty: Infinite Warfare
Execution · Pure Mechanics
A space-faring Call of Duty mixing jetpack multiplayer with a starfighter campaign.
Killzone 2
Execution · Pure Mechanics
A heavyweight sci-fi FPS pitting ISA soldiers against the Helghast with famously weighty gunfeel.
Call of Duty: Infinite Warfare leans Execution (Pure Mechanics); Killzone 2 leans Execution (Pure Mechanics).
Call of Duty: Infinite WarfareKillzone 2
Axis by axis
Execution8 vs 8
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty: Infinite Warfare
Wall-running and thrust jumps demand mechanical skill
Killzone 2
Weighty gunplay punishes imprecise aim hard
Reads4 vs 4
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Call of Duty: Infinite Warfare
Human opponents reward movement prediction
Killzone 2
Multiplayer opponents adapt; campaign AI doesn't
Variance3 vs 2
Call of Duty: Infinite Warfare leans a little harder on variance, though the gap is small.
Call of Duty: Infinite Warfare
Spawn logic and lobby variance add noise
Killzone 2
Modest spawn and objective rotation noise
Optimization5 vs 4
Call of Duty: Infinite Warfare leans a little harder on optimization, though the gap is small.
Call of Duty: Infinite Warfare
Rig choice and movement routes are solvable
Killzone 2
Class unlocks and map control are learnable
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.