Top Descriptors featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , gungathon A map with a drain time of over 10 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. , bursts Patterns requiring continuous movement and alternating, typically 9 notes or less. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , difficulty spike Contains a sudden and significant increase in challenge within the map's gameplay. , megacollab A map with 8 or more associated mappers. , collab A map with two or more associated mappers. , marathon A map with a drain time of over 5 minutes.