Top Descriptors collab A map with two or more associated mappers. , marathon A map with a drain time of over 5 minutes. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , multi-song Contains multiple songs within the audio. , download unavailable Cannot be downloaded from the osu! website, often due to a DMCA takedown notice. , large circles Uses larger-than-usual circles. Typically refers to maps with circle sizes below 3. , tournament custom A custom map for a playing tournament. , tech Tests uncommon skills. , chaotic Unpredictable map design, often testing unusual skillsets. , megacollab A map with 8 or more associated mappers.