Top Descriptors megacollab A map with 8 or more associated mappers. , collab A map with two or more associated mappers. , difficulty spike Contains a sudden and significant increase in challenge within the map's gameplay. , precision Colloquial term for maps which require fine, precise movement to aim correctly. Typically refers to maps with circle sizes above and including 6. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , variable timing Contains multiple timing points, usually required for songs not recorded to a metronome. , linear aim Patterns, usually jumps, that require the player to move continuously in a straight or nearly straight line. , alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , accelerating bpm Features progressively increasing tempo. , bursts Patterns requiring continuous movement and alternating, typically 9 notes or less.