Top Descriptors marathon A map with a drain time of over 5 minutes. , tournament custom A custom map for a playing tournament. , collab A map with two or more associated mappers. , large circles Uses larger-than-usual circles. Typically refers to maps with circle sizes below 3. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , bursts Patterns requiring continuous movement and alternating, typically 9 notes or less. , precision Colloquial term for maps which require fine, precise movement to aim correctly. Typically refers to maps with circle sizes above and including 6. , flow aim Patterns with fully continuous cursor movement, usually due to a combination of wide angles and little time between objects. , 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.