Top Descriptors marathon A map with a drain time of over 5 minutes. , megacollab A map with 8 or more associated mappers. , slider animation Succession of sliders as individual frames to create the illusion of fluid motion. , chaotic Unpredictable map design, often testing unusual skillsets. , slidershapes Uses a large variety of slider designs. , aspire Employs intentionally unrankable decisions to provide gameplay or visual effects that are otherwise impossible to achieve, originating from the annual Aspire mapping contest. , 2B Includes gameplay elements with two or more objects placed simultaneously. The term originates from a Chinese transliteration of 'idiot'. , avant-garde Employs boundary-pushing and experimental philosophies to map design, often foregoing gameplay and aesthetic conventions to extreme measures. , perfect stacks Features perfectly overlapped stacked notes using low stack leniency. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing