Top Descriptors mapping contest An entry for a mapping contest. , progression Contains a gradual advancement in difficulty or concept across the map. , high contrast Uses flashy ideas to follow changes in the music, creating stark differences between different sections of the song. , aim control Patterns with velocity or direction changes which strongly go against a player's natural movement pattern. , clean Visually uncluttered and organised patterns, often involving few overlaps and equal visual spacing between objects. , video gimmick Employs patterning that closely references the included background video.