To play: type your name in the textbox, click Add Player if you want to play multiplayer (supports any number of players, but make sure everything fits on your screen :)), then click Start to play. You get points when the random number at the top falls within your range. If you have psychic powers you can make your web browser generate numbers within your range to get heaps of points :)

System requirements: A twisted sense of humour.

Uses HTML and JavaScript. Tested and works in Firefox 13 and 14, IE9 and Chrome 19.