Play free Slither.io game on Brightestgames.com which is one of our selected snake games that is categorized in our category of .io games. Slither.io pushes the genre of games based on legendary Agar.io even further. Eat luminous balls and become the biggest snake on the entire game board. Click to play these similar s.io games Slither where you will be searching for the glowing light balls to feed your hungry little snake. But in the same arena, there are other larger opponents that will easily eat you alive. To be able to survive and grow, you must use the mouse button to guide the way and avoid any head-on collision with other snakes. If this happens, you are automatically knocked out of the game and you have to start all over again. Holding down the left mouse button will temporarily increase the movement speed of your snake. Will you succeed among the toughest competitors and will we see you on the leaderboards for the best players? Have fun with this epic cool math snake game.