贪吃蛇游戏是一种老少皆宜的经典游戏，贪吃蛇游戏的基本规则：通过按键盘上、下、左、右键来控制蛇运行的方向，当蛇将食物吃了后身体长度自动增加，当蛇撞墙或吃到自身则蛇死。-Snake game is a classic game, an all ages Snake game' s basic rules: the snake running direction to control the keyboard up, down, left, right, when the snake eat the body length is automatically increased against the wall when the snake or eat the snake died.