So you've played through Portal and loved every minute as much as we did. How about the ability to now play through Half-Life 2, HL2 Episodes, or other Source-powered games with the portal gun in-hand? We here at Primotech did exactly that and are sharing this footage of "Half-Life 2: Portal" with you now. Want to find out how you can do it too? Check out the full-writeup: http://www.primotechnology.com/2007/1... (less)