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. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , geometric Incorporates geometric shapes within the map's visual design. , playfield constraint Restricts object placement to a certain part of the playfield. , clean Visually uncluttered and organised patterns, often involving few overlaps and equal visual spacing between objects. , variable timing Contains multiple timing points, usually required for songs not recorded to a metronome.