贪吃蛇。具有开始游戏，规则，难度，排名等选项，有关卡，键鼠操作。有食物、毒草、地雷等分类。-Snake. Having to start the game, the rules, the difficulty, ranking and other options, related to the card, mouse and keyboard operation. There are food, poisonous weeds, mines and other categories.