Play the Snake game.
Move the snake around without colliding with its tail or with the border.
Eating dots causes the snake to get longer.
Snake mode keybindings:
Uses keymap `snake-mode-map', which is not currently defined.
M-x snake-start-game Starts a new game of Snake
M-x snake-end-game Terminates the current game
M-x snake-pause-game Pauses (or resumes) the current game
M-x snake-move-left Makes the snake move left
M-x snake-move-right Makes the snake move right
M-x snake-move-up Makes the snake move up
M-x snake-move-down Makes the snake move down
(fn)