Top Descriptors marathon A map with a drain time of over 5 minutes. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , collab A map with two or more associated mappers. , storyboard Contains a storyboard that enhances gameplay experience. , megacollab A map with 8 or more associated mappers. , chaotic Unpredictable map design, often testing unusual skillsets. , symmetrical Employs symmetry within the map design, often mirroring elements along the horizontal centreline. , improvisation Uses patterns that do not correspond to sounds in the music, often using hitsounds to add sounds in. , streams Patterns requiring continuous movement and alternating, typically more than 9 notes. , slidershapes Uses a large variety of slider designs.