Top Descriptors messy Visually chaotic and intentionally disorganised patterns, often involving many overlaps and unequal visual spacing between objects. , marathon A map with a drain time of over 5 minutes. , 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. , slidershapes Uses a large variety of slider designs. , freeform An unrestrained and loose approach towards visual structure. , collab A map with two or more associated mappers. , improvisation Uses patterns that do not correspond to sounds in the music, often using hitsounds to add sounds in. , chaotic Unpredictable map design, often testing unusual skillsets. , visually dense Contains patterns where the amount of visible notes makes determining note order and/or timing difficult.