Top Descriptors simple Accessible and straightforward map design. , finger control Uses complex applications of rhythms in order to test the player's tapping ability. , bursts Patterns requiring continuous movement and alternating, typically 9 notes or less. , streams Patterns requiring continuous movement and alternating, typically more than 9 notes. , collab A map with two or more associated mappers. , marathon A map with a drain time of over 5 minutes. , improvisation Uses patterns that do not correspond to sounds in the music, often using hitsounds to add sounds in. , download unavailable Cannot be downloaded from the osu! website, often due to a DMCA takedown notice.