Top Descriptors collab A map with two or more associated mappers. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , avant-garde Employs boundary-pushing and experimental philosophies to map design, often foregoing gameplay and aesthetic conventions to extreme measures. , marathon A map with a drain time of over 5 minutes. , 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.