Top Descriptors chaotic Unpredictable map design, often testing unusual skillsets. , messy Visually chaotic and intentionally disorganised patterns, often involving many overlaps and unequal visual spacing between objects. , reading Tests a player's reading skill, i.e. patterns that obfuscate note order and/or timing. , aim control Patterns with velocity or direction changes which strongly go against a player's natural movement pattern. , improvisation Uses patterns that do not correspond to sounds in the music, often using hitsounds to add sounds in. , marathon A map with a drain time of over 5 minutes.