Top Descriptors alt Colloquial term for maps which use rhythms that encourage the player to alternate notes. Typically distinct from burst or stream maps. , tournament custom A custom map for a playing tournament. , symmetrical Employs symmetry within the map design, often mirroring elements along the horizontal centreline. , geometric Incorporates geometric shapes within the map's visual design. , download unavailable Cannot be downloaded from the osu! website, often due to a DMCA takedown notice.