Top Descriptors collab A map with two or more associated mappers. , clean Visually uncluttered and organised patterns, often involving few overlaps and equal visual spacing between objects. , marathon A map with a drain time of over 5 minutes. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , tournament custom A custom map for a playing tournament. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , progression Contains a gradual advancement in difficulty or concept across the map. , variable timing Contains multiple timing points, usually required for songs not recorded to a metronome. , slidershapes Uses a large variety of slider designs. , download unavailable Cannot be downloaded from the osu! website, often due to a DMCA takedown notice.