Requested page is not yet translated to the selected language (Română). Showing English version.
This article is incomplete and waiting on someone to expand it.
For help starting a collaboration, see: How to start a beatmap collaboration
Beatmap collaborations, or collabs, are beatmap works created by multiple people. The word Collab may refer to either a single difficulty, or a beatmap with guest difficulties.
Collab difficulties are usually marked by "Collab" or possession of multiple usernames in the difficulty name.