Top Descriptors precision Colloquial term for maps which require fine, precise movement to aim correctly. Typically refers to maps with circle sizes above and including 6. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , collab A map with two or more associated mappers. , playfield constraint Restricts object placement to a certain part of the playfield. , marathon A map with a drain time of over 5 minutes.