Bounce Gel (Mechanic)

Bounce Gel, known in later version of the game as "Repulsion Gel" it is a gel that lets you bounce off of surfaces covered in it. Objects coated in it would randomly bounce around. The Gel Originated from Tag: The Power of Paint and was ported to Paint (Project) which then was merged with Portal 2 in late 2009.

Origin
Bounce Gel originates from Tag: The Power of Paint, where it was green. It would let you bounce off of it.