This incredible-looking FPS-Puzzle game made by Valve, to be destributed through Steam on PCs and with HL2: Episode 2 on consoles, just released an insane trailer. I like how Slashdot put it; "It hurts my brain in all the right ways." The basis of the game is to solve puzzles with incredible feats using portal technology. You have to see it to believe it. It seems simple at first, but then the video just goes crazy... Valve has done it again. A little taste:
Make sure to watch on High-Res:
http://media.pc.ign.com/media/842/842671/vids_1.html