This is an Arduino Uno r3 board controlled by a joystick with a 16x32 led array playing pacman.

Get an Arduino Uno r3 board. Get a joystick like this one. Also get this 16x32 led array, and a 9v battery holder. You need to power the led array yourself (see the guide from the product page). Connect the wires as shown. Use the provided program, and it should work!