Top Descriptors featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , collab A map with two or more associated mappers. , avant-garde Employs boundary-pushing and experimental philosophies to map design, often foregoing gameplay and aesthetic conventions to extreme measures. , complex sv Features large changes in slider velocity. , slidershapes Uses a large variety of slider designs. , 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. , high contrast Uses flashy ideas to follow changes in the music, creating stark differences between different sections of the song. , slider tech Tests uncommon skills involving sliders, such as heavy use of kicksliders or aim on complex slidershapes. , high sv Features prominent high slider velocity usage as a key part of map design.