Top Descriptors repetition Features the use of recognizable identical patterns or gameplay elements. , reading Tests a player's reading skill, i.e. patterns that obfuscate note order and/or timing. , playfield constraint Restricts object placement to a certain part of the playfield. , overlap reading Contains patterns where overlapped objects make determining note order and/or timing difficult. , clean Visually uncluttered and organised patterns, often involving few overlaps and equal visual spacing between objects. , marathon A map with a drain time of over 5 minutes. , aim control Patterns with velocity or direction changes which strongly go against a player's natural movement pattern. , bursts Patterns requiring continuous movement and alternating, typically 9 notes or less. , jump aim Focuses heavily on jumps, i.e. circles spaced far apart that require the player to move towards, slow down to hit, then speed up to move towards the next object. , difficulty spike Contains a sudden and significant increase in challenge within the map's gameplay.