Top Descriptors marathon A map with a drain time of over 5 minutes. , keysounds Contains hitsounds that use various pitched samples to create a melody, typically following one within the song. , 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. , slider tech Tests uncommon skills involving sliders, such as heavy use of kicksliders or aim on complex slidershapes. , tech Tests uncommon skills. , perfect stacks Features perfectly overlapped stacked notes using low stack leniency. , slidershapes Uses a large variety of slider designs.