Although the game is fun, there are many puzzling aspects in the game, such as how to synthesize the Rainbow Goo in Backpack Brawl. It is not difficult to understand how to synthesize Rainbow Goo in Backpack Brawl. This guide is dedicated to I will explain this to you, and you will understand the solution after reading it.
There are many steps to synthesize the rainbow goo, and it requires five different goo synthesis to obtain.
Light Goo: You can get an ordinary Light Goo and a lightsaber.
Steel Goo: An ordinary light goo plus a brave sword.
Toxic Goo: Two hallucinogenic mushrooms plus one regular goo.
Bloody Sticky: It requires a bloody skin care and an ordinary sticky to be synthesized.
Get the above four sticky sticks with different attributes and then add an ordinary sticky stick to get rainbow sticky sticks.