Top Descriptors collab A map with two or more associated mappers. , repetition Features the use of recognizable identical patterns or gameplay elements. , reading Tests a player's reading skill, i.e. patterns that obfuscate note order and/or timing. , playfield constraint Restricts object placement to a certain part of the playfield. , overlap reading Contains patterns where overlapped objects make determining note order and/or timing difficult. , 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 , clean Visually uncluttered and organised patterns, often involving few overlaps and equal visual spacing between objects. , aim control Patterns with velocity or direction changes which strongly go against a player's natural movement pattern. , bursts Patterns requiring continuous movement and alternating, typically 9 notes or less.