Top Descriptors featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , marathon A map with a drain time of over 5 minutes. , tech Tests uncommon skills. , collab A map with two or more associated mappers. , tournament custom A custom map for a playing tournament. , storyboard Contains a storyboard that enhances gameplay experience. , large circles Uses larger-than-usual circles. Typically refers to maps with circle sizes below 3. , perfect stacks Features perfectly overlapped stacked notes using low stack leniency. , freeform An unrestrained and loose approach towards visual structure. , slider tech Tests uncommon skills involving sliders, such as heavy use of kicksliders or aim on complex slidershapes.