Top Descriptors featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , tournament custom A custom map for a playing tournament. , marathon A map with a drain time of over 5 minutes. , variable timing Contains multiple timing points, usually required for songs not recorded to a metronome. , visually dense Contains patterns where the amount of visible notes makes determining note order and/or timing difficult. , symmetrical Employs symmetry within the map design, often mirroring elements along the horizontal centreline. , slidershapes Uses a large variety of slider designs. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , collab A map with two or more associated mappers. , streams Patterns requiring continuous movement and alternating, typically more than 9 notes.