Top Descriptors collab A map with two or more associated mappers. , marathon A map with a drain time of over 5 minutes. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , slidershapes Uses a large variety of slider designs. , 2B Includes gameplay elements with two or more objects placed simultaneously. The term originates from a Chinese transliteration of 'idiot'. , tech Tests uncommon skills. , large circles Uses larger-than-usual circles. Typically refers to maps with circle sizes below 3. , tournament custom A custom map for a playing tournament. , 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.