Take Pong. Add 2 more goals. Add some horrible dubstep soundtrack. If you wish, add one extra player using the mouse to change the trajectory of the puck. Insert some fog of war. Impossibl3 Pong!
Made in HTML5 with ImpactJS. Untested - so no guarantee of fun whatsoever.
Play it at https://itu.dk/people/giuf/jamIT/ Works best in Google Chrome!