Snake is a type of computer game, it is not related to CSGO (Counter-Strike: Global Offensive). CSGO is a first-person shooter game and the snake game you are talking about is likely a game of snake. In the game of snake, the player controls a snake that navigates through a grid of squares, the objective is to eat a food block that is smaller than the snake's body to grow. To eat a food block, the snake must roll over it, if the snake collides with a wall, the snake will explode.