Top Descriptors featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , collab A map with two or more associated mappers. , marathon A map with a drain time of over 5 minutes. , freeform An unrestrained and loose approach towards visual structure. , aim control Patterns with velocity or direction changes which strongly go against a player's natural movement pattern. , messy Visually chaotic and intentionally disorganised patterns, often involving many overlaps and unequal visual spacing between objects. , variable timing Contains multiple timing points, usually required for songs not recorded to a metronome. , sharp aim Patterns with heavy use of sharp angle movement, either between circles or into sliders. , fast bursts Features bursts that are fast relative to the rest of the map, typically appearing as 1/6 or 1/8 bursts. , simple Accessible and straightforward map design.