Top Descriptors gungathon A map with a drain time of over 10 minutes. , freeform An unrestrained and loose approach towards visual structure. , difficulty spike Contains a sudden and significant increase in challenge within the map's gameplay. , progression Contains a gradual advancement in difficulty or concept across the map. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , marathon A map with a drain time of over 5 minutes. , collab A map with two or more associated mappers. , mapping contest An entry for a mapping contest.