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
Aiming banked bubble shots quickly while planning chain clears.

Execution · Practiced Mastery
First-person parkour against zombies, especially terrifying after dark.
Bust-a-Move 4 leans Execution (Practiced Mastery); Dying Light 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.
Bust-a-Move 4
Precise bubble aiming and bank shots under time pressure
Dying Light
Parkour traversal and melee timing demanding.
Bust-a-Move 4 leans a little harder on reads, though the gap is small.
Bust-a-Move 4
Versus mode allows mild human pressure timing
Dying Light
Zombie AI scripted, non-adaptive.
Bust-a-Move 4 leans a little harder on variance, though the gap is small.
Bust-a-Move 4
Bubble colour feed is random but bounded
Dying Light
Night-hunter encounters bring randomness.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Bust-a-Move 4
Clearing patterns and pulley setups have known solutions
Dying Light
Crafting, blueprints, skill trees solvable.
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.