Top Descriptors chaotic Unpredictable map design, often testing unusual skillsets. , messy Visually chaotic and intentionally disorganised patterns, often involving many overlaps and unequal visual spacing between objects. , avant-garde Employs boundary-pushing and experimental philosophies to map design, often foregoing gameplay and aesthetic conventions to extreme measures. , difficulty spike Contains a sudden and significant increase in challenge within the map's gameplay. , collab A map with two or more associated mappers. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , mapping contest An entry for a mapping contest. , sharp aim Patterns with heavy use of sharp angle movement, either between circles or into sliders. , variable timing Contains multiple timing points, usually required for songs not recorded to a metronome. , streams Patterns requiring continuous movement and alternating, typically more than 9 notes.