Top Descriptors simple Accessible and straightforward map design. , reading Tests a player's reading skill, i.e. patterns that obfuscate note order and/or timing. , visually dense Contains patterns where the amount of visible notes makes determining note order and/or timing difficult. , symmetrical Employs symmetry within the map design, often mirroring elements along the horizontal centreline. , improvisation Uses patterns that do not correspond to sounds in the music, often using hitsounds to add sounds in. , overlap reading Contains patterns where overlapped objects make determining note order and/or timing difficult. , flow aim Patterns with fully continuous cursor movement, usually due to a combination of wide angles and little time between objects. , marathon A map with a drain time of over 5 minutes. , megacollab A map with 8 or more associated mappers. , clean Visually uncluttered and organised patterns, often involving few overlaps and equal visual spacing between objects.