Top Descriptors chaotic Unpredictable map design, often testing unusual skillsets. , avant-garde Employs boundary-pushing and experimental philosophies to map design, often foregoing gameplay and aesthetic conventions to extreme measures. , messy Visually chaotic and intentionally disorganised patterns, often involving many overlaps and unequal visual spacing between objects. , freeform An unrestrained and loose approach towards visual structure. , high contrast Uses flashy ideas to follow changes in the music, creating stark differences between different sections of the song. , improvisation Uses patterns that do not correspond to sounds in the music, often using hitsounds to add sounds in. , marathon A map with a drain time of over 5 minutes. , slidershapes Uses a large variety of slider designs. , variable timing Contains multiple timing points, usually required for songs not recorded to a metronome. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps.