Top Descriptors 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. , geometric Incorporates geometric shapes within the map's visual design. , symmetrical Employs symmetry within the map design, often mirroring elements along the horizontal centreline. , 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'. , playfield usage Includes deliberate use of the playfield within the map design. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , storyboard Contains a storyboard that enhances gameplay experience.