Slither Birds is a great io games that is similar to slither.io and crazy snake. Only the Face of snake is changed with angry birds characters. Just enter the username and choose your snake bird. Eat the scattered eggs to increase your size. Smash other snake by forcing them to crush into your own body then you eat them to increase your size quickly. You can bypass your enemies with speed boosts. Avoid from touching your head to other snakes bodies other wise you will be dead and the game will begin from start. Prove that you are real slither.io master. have fun.