category
520 shoot-em-up games mapped by what they actually test - the shape underneath the genre label.
Execution ≤ 3/10 - the hands aren't the bottleneck here.
Execution or Optimization ≥ 7/10 - the steepest skill ceiling in the category.

Ace Combat 7: Skies Unknown
Practiced Mastery · arcade flight combat

SuperHot: Mind Control Delete
Practiced Mastery · time-manipulation shooter

Feeding Frenzy 2: Shipwreck Showdown
Practiced Mastery · arcade eat-em-up

Crimson Skies: High Road to Revenge
Practiced Mastery · arcade flight combat

Dragon Spirit: The New Legend
Pure Mechanics · vertical shmup

Wonder Boy III: Monster Lair
Pure Mechanics · arcade platform shooter