Top Descriptors slidershapes Uses a large variety of slider designs. , tech Tests uncommon skills. , messy Visually chaotic and intentionally disorganised patterns, often involving many overlaps and unequal visual spacing between objects. , progression Contains a gradual advancement in difficulty or concept across the map. , high contrast Uses flashy ideas to follow changes in the music, creating stark differences between different sections of the song. , slider tech Tests uncommon skills involving sliders, such as heavy use of kicksliders or aim on complex slidershapes. , storyboard Contains a storyboard that enhances gameplay experience. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , variable timing Contains multiple timing points, usually required for songs not recorded to a metronome. , marathon A map with a drain time of over 5 minutes.