The guidelines are simple. Design and develop an original, 5-minute playable online game using the HeroEngine. Create a video of your game and submit it to us by February 12, 2012 at 11:59 PM EST to 5minfun@heroengine.com and be entered for a chance to showcase your game at GDC this year, along with up to 5 passes to GDC and either a hotel room for the duration of the expo…