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. , marathon A map with a drain time of over 5 minutes. , slider tech Tests uncommon skills involving sliders, such as heavy use of kicksliders or aim on complex slidershapes. , megacollab A map with 8 or more associated mappers. , mapping contest An entry for a mapping contest. , slidershapes Uses a large variety of slider designs. , high contrast Uses flashy ideas to follow changes in the music, creating stark differences between different sections of the song. , progression Contains a gradual advancement in difficulty or concept across the map. , avant-garde Employs boundary-pushing and experimental philosophies to map design, often foregoing gameplay and aesthetic conventions to extreme measures.