Top Descriptors reading Tests a player's reading skill, i.e. patterns that obfuscate note order and/or timing. , overlap reading Contains patterns where overlapped objects make determining note order and/or timing difficult. , 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. , chaotic Unpredictable map design, often testing unusual skillsets. , gungathon A map with a drain time of over 10 minutes. , storyboard Contains a storyboard that enhances gameplay experience. , large circles Uses larger-than-usual circles. Typically refers to maps with circle sizes below 3.