Top Descriptors slider only Restricts object choice to sliders only. , collab A map with two or more associated mappers. , featured artist Features song(s) composed by artists in osu!’s Featured Artist listing , download unavailable Cannot be downloaded from the osu! website, often due to a DMCA takedown notice. , simple Accessible and straightforward map design. , grid snap Objects are placed along a square grid, typically using osu!'s in-built grid snap feature. , 2B Includes gameplay elements with two or more objects placed simultaneously. The term originates from a Chinese transliteration of 'idiot'. , custom skin Utilizes custom skin elements and graphics.