Top Descriptors collab A map with two or more associated mappers. , mapping contest An entry for a mapping contest. , marathon A map with a drain time of over 5 minutes. , slider tech Tests uncommon skills involving sliders, such as heavy use of kicksliders or aim on complex slidershapes. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , aim control Patterns with velocity or direction changes which strongly go against a player's natural movement pattern. , slidershapes Uses a large variety of slider designs. , tech Tests uncommon skills. , progression Contains a gradual advancement in difficulty or concept across the map. , slider animation Succession of sliders as individual frames to create the illusion of fluid motion.