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 , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , custom skin Utilizes custom skin elements and graphics. , marathon A map with a drain time of over 5 minutes. , slidershapes Uses a large variety of slider designs. , complex sv Features large changes in slider velocity. , gimmick Focused on a single unique design or gameplay idea. , difficulty spike Contains a sudden and significant increase in challenge within the map's gameplay. , flow aim Patterns with fully continuous cursor movement, usually due to a combination of wide angles and little time between objects.