Top Descriptors collab A map with two or more associated mappers. , tournament custom A custom map for a playing tournament. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , tech Tests uncommon skills. , finger control Uses complex applications of rhythms in order to test the player's tapping ability. , bursts Patterns requiring continuous movement and alternating, typically 9 notes or less. , complex snap divisors Uses mixed or unusual snap divisors in order to test the player's tapping ability. , large circles Uses larger-than-usual circles. Typically refers to maps with circle sizes below 3. , custom song Maps a song made specifically for the map. This includes songs created for a mapping contest which the map participated in.