Bro Squad The Amazing World of Gumball. Join Gumball, Darwin and Anais transform into the Sibling Rangers Bro-Squad to fight against the evil forces attacking Elmore city. Start with just one member, then later more members will join your alliance. Hints: Sometimes you need to fight weaker enemy multiple time to gain levels in order to defeat more powerful enemies. This game is one of the action games on Round Games. Enjoy and have fun in playing this free online action game. Good luck.