Top Descriptors collab A map with two or more associated mappers. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , megacollab A map with 8 or more associated mappers. , marathon A map with a drain time of over 5 minutes. , storyboard Contains a storyboard that enhances gameplay experience. , geometric Incorporates geometric shapes within the map's visual design. , bursts Patterns requiring continuous movement and alternating, typically 9 notes or less. , improvisation Uses patterns that do not correspond to sounds in the music, often using hitsounds to add sounds in. , custom skin Utilizes custom skin elements and graphics.