Top Descriptors featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , storyboard Contains a storyboard that enhances gameplay experience. , slider tech Tests uncommon skills involving sliders, such as heavy use of kicksliders or aim on complex slidershapes. , difficulty spike Contains a sudden and significant increase in challenge within the map's gameplay. , clean Visually uncluttered and organised patterns, often involving few overlaps and equal visual spacing between objects. , slidershapes Uses a large variety of slider designs. , progression Contains a gradual advancement in difficulty or concept across the map.