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. , tournament custom A custom map for a playing tournament. , custom song Maps a song made specifically for the map. This includes songs created for a mapping contest which the map participated in. , marathon A map with a drain time of over 5 minutes. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , large circles Uses larger-than-usual circles. Typically refers to maps with circle sizes below 3.