Top Descriptors collab A map with two or more associated mappers. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , marathon A map with a drain time of over 5 minutes. , megacollab A map with 8 or more associated mappers. , aim control Patterns with velocity or direction changes which strongly go against a player's natural movement pattern. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , variable timing Contains multiple timing points, usually required for songs not recorded to a metronome. , fast bursts Features bursts that are fast relative to the rest of the map, typically appearing as 1/6 or 1/8 bursts.