Top Descriptors alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , precision Colloquial term for maps which require fine, precise movement to aim correctly. Typically refers to maps with circle sizes above and including 6. , tournament custom A custom map for a playing tournament. , collab A map with two or more associated mappers. , marathon A map with a drain time of over 5 minutes. , tech Tests uncommon skills. , clean Visually uncluttered and organised patterns, often involving few overlaps and equal visual spacing between objects. , download unavailable Cannot be downloaded from the osu! website, often due to a DMCA takedown notice. , multi-song Contains multiple songs within the audio. , slidershapes Uses a large variety of slider designs.