Top Descriptors mapping contest An entry for a mapping contest. , clean Visually uncluttered and organised patterns, often involving few overlaps and equal visual spacing between objects. , tournament custom A custom map for a playing tournament. , aim control Patterns with velocity or direction changes which strongly go against a player's natural movement pattern. , collab A map with two or more associated mappers. , marathon A map with a drain time of over 5 minutes. , tech Tests uncommon skills. , bursts Patterns requiring continuous movement and alternating, typically 9 notes or less. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , chaotic Unpredictable map design, often testing unusual skillsets.