Top Descriptors featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , high sv Features prominent high slider velocity usage as a key part of map design. , slidershapes Uses a large variety of slider designs. , collab A map with two or more associated mappers. , 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. , tech Tests uncommon skills. , complex sv Features large changes in slider velocity. , sharp aim Patterns with heavy use of sharp angle movement, either between circles or into sliders. , wide aim Patterns, usually jumps, with heavy use of wide angle movement.