Enable the IOINGUN code and pin a person to the wall. Try to drag them and their arms will stretch like elastic.

On any level, enable the IONIGUN code. Kill someone and drag them by their arms or legs. Pull them as far as you can, then release. They will automatically let go like a slingshot.

Enable the IOINGUN code and make a man stick to a wall at a reachable height. Walk over to him, press [Drag], then walk backwards. The person will be stretched out.