Top Descriptors collab A map with two or more associated mappers. , freeform An unrestrained and loose approach towards visual structure. , streams Patterns requiring continuous movement and alternating, typically more than 9 notes. , spaced streams Streams with large spacing, typically ones where the notes don't overlap. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , accel/decel streams Style of streams which use gradual increases or decreases in spacing.