Top Descriptors time signatures Audio contains many changes in time signature or uses an uncommon time signature. , messy Visually chaotic and intentionally disorganised patterns, often involving many overlaps and unequal visual spacing between objects. , freeform An unrestrained and loose approach towards visual structure. , slidershapes Uses a large variety of slider designs. , difficulty spike Contains a sudden and significant increase in challenge within the map's gameplay. , finger control Uses complex applications of rhythms in order to test the player's tapping ability.