Top Descriptors marathon A map with a drain time of over 5 minutes. , visually dense Contains patterns where the amount of visible notes makes determining note order and/or timing difficult. , reading Tests a player's reading skill, i.e. patterns that obfuscate note order and/or timing. , clean Visually uncluttered and organised patterns, often involving few overlaps and equal visual spacing between objects. , large circles Uses larger-than-usual circles. Typically refers to maps with circle sizes below 3.