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
A playable pop album blending rhythm, racing, and shooting into a forgiving stylish ride.

Execution · Pure Mechanics
A tilt-controlled physics game testing motion precision to navigate a duck.
Sayonara Wild Hearts leans Execution (Practiced Mastery); Super Rub 'a' Dub leans Execution (Pure Mechanics).
Super Rub 'a' Dub leans a little harder on execution, though the gap is small.
Sayonara Wild Hearts
Moderate dodging and timing, deliberately forgiving
Super Rub 'a' Dub
Tilt control precision to steer the duck is core
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Sayonara Wild Hearts
Scripted pop-album set pieces
Super Rub 'a' Dub
No opponent to predict
Super Rub 'a' Dub leans a little harder on variance, though the gap is small.
Sayonara Wild Hearts
Fixed levels with memorizable layouts
Super Rub 'a' Dub
Hazard placement fixed per tub
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Sayonara Wild Hearts
Gold-rank score chasing rewards route learning
Super Rub 'a' Dub
Fast routes through tubs 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.