Acid

Acid is a Liquid that is stronger than water and you need to be really quick, it's mostly used in hard and insane maps (no extreme maps), It can increase challenge which makes it hard, The only intermediate map that don't use acid is Vicious Quarry, Which has only lava.The maps that usea acid:
 * Beginner Maps: ???


 * All Normal Maps
 * intermediate Maps: Facility K.O.D, Deceitful Peak, Old Remains.
 * Insane Maps: Tower K.O.D, Collapsing Amenity.
 * No Extreme Maps

Trivia:

 * Collapsing Amenity and Tower K.O.D as the Insane maps uses most of the acid, But Collapsing Amenity Still Uses a lot of lava.