head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Practiced Mastery
A cinematic side-scrolling shooter about a revolutionary chicken commando.

Execution · Practiced Mastery
A playable pop album blending rhythm, racing, and shooting into a forgiving stylish ride.
Rocketbirds: Hardboiled Chicken leans Execution (Practiced Mastery); Sayonara Wild Hearts 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.
Rocketbirds: Hardboiled Chicken
platforming and shooting precision needed
Sayonara Wild Hearts
Moderate dodging and timing, deliberately forgiving
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Rocketbirds: Hardboiled Chicken
scripted enemy AI, not adaptive
Sayonara Wild Hearts
Scripted pop-album set pieces
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Rocketbirds: Hardboiled Chicken
minimal randomness
Sayonara Wild Hearts
Fixed levels with memorizable layouts
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Rocketbirds: Hardboiled Chicken
level routing and weapon use
Sayonara Wild Hearts
Gold-rank score chasing rewards route learning
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.