Top Descriptors marathon A map with a drain time of over 5 minutes. , megacollab A map with 8 or more associated mappers. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , slider animation Succession of sliders as individual frames to create the illusion of fluid motion. , precision Colloquial term for maps which require fine, precise movement to aim correctly. Typically refers to maps with circle sizes above and including 6. , 2B Includes gameplay elements with two or more objects placed simultaneously. The term originates from a Chinese transliteration of 'idiot'. , aspire Employs intentionally unrankable decisions to provide gameplay or visual effects that are otherwise impossible to achieve, originating from the annual Aspire mapping contest. , avant-garde Employs boundary-pushing and experimental philosophies to map design, often foregoing gameplay and aesthetic conventions to extreme measures. , chaotic Unpredictable map design, often testing unusual skillsets. , large circles Uses larger-than-usual circles. Typically refers to maps with circle sizes below 3.