For some interesting Arduino example sketches and a journey back in time to when computer games were harmless blinking lights, check out this project by YouTube user Onur Avun. They've recreated the classic game of "Pong" using an Arduino, an 8x8 LED matrix, some 74HC154 ICs and two potentiometers acting as paddles for each player. It's simple, it works and if the speed is increased, could be a lot of fun - for example:
The Arduino sketch and basic hardware instructions have been provided, so visit the project github page to get started. And for more, we're on twitter and Google+, so follow us for news and product updates as well.