head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Practiced Mastery
Weighty corridor shooting through scripted encounters with light loadout choice.

Execution · Practiced Mastery
Lara's reboot blending cover shooting, climbing, and survival cinema.
Killzone leans Execution (Practiced Mastery); Tomb Raider (2013) leans Execution (Practiced Mastery).
Killzone leans a little harder on execution, though the gap is small.
Killzone
Heavy gunplay still rewards aim and positioning
Tomb Raider (2013)
Bow aim, QTEs, and platforming timing matter.
Killzone leans a little harder on reads, though the gap is small.
Killzone
Campaign Helghast follow scripts; servers are long dead
Tomb Raider (2013)
Scripted enemy waves, no adaptation.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Killzone
Encounters are fixed and replayable
Tomb Raider (2013)
Minimal randomness in encounters.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Killzone
Character choice and route knowledge solve each level
Tomb Raider (2013)
Weapon upgrades and skill picks straightforward.
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.