Back to the future

[Aegis]

http://www.telltalegames.com/cart/add/b ... uraydemo&;

FREE GAME. it's a telltale games' product, so it's an adventure like tales of monkey island etc, but it's completely free. register by going to settings in the top right of the page. then go to proceed and fill in your address etc. then go to your games tab and start the download!