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

Execution · Practiced Mastery
A co-op puzzle-platformer that tests physical coordination and communication across a wide variety of co-designed mechanics.

Execution · Practiced Mastery
Co-op horde shooting that tests sustained aim and defensive setup planning.
It Takes Two leans Execution (Practiced Mastery); World War Z: Aftermath leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
It Takes Two
Co-op platforming demands tight timing, coordination, and spatial precision
World War Z: Aftermath
Horde shooting and melee timing carry every swarm
It Takes Two leans a little harder on reads, though the gap is small.
It Takes Two
Human partner requires some coordination reads but not competitive prediction
World War Z: Aftermath
Zombies are pathfinding scripts, not minds
World War Z: Aftermath leans a little harder on variance, though the gap is small.
It Takes Two
Puzzle solutions are fixed; little hidden randomness
World War Z: Aftermath
Spawn director shuffles hordes mildly between runs
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
It Takes Two
Each chapter has an optimal movement approach once mechanics are learned
World War Z: Aftermath
Class builds, defenses and weapon upgrades reward planning
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.