Top Descriptors collab A map with two or more associated mappers. , multi-song Contains multiple songs within the audio. , marathon A map with a drain time of over 5 minutes. , download unavailable Cannot be downloaded from the osu! website, often due to a DMCA takedown notice. , visually dense Contains patterns where the amount of visible notes makes determining note order and/or timing difficult. , flow aim Patterns with fully continuous cursor movement, usually due to a combination of wide angles and little time between objects. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , chaotic Unpredictable map design, often testing unusual skillsets. , tech Tests uncommon skills. , tournament custom A custom map for a playing tournament.