it took me about 9 hours, but i have played portal 1.
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Howcast (youtube.com) made a whole series on how to beat portal 2. But if you need the explanation: Step one: Find the redirection cube. Shoot a portal underneath where it is. 2.) shoot a portal somewhere else in the room. 3.) pick up the cube, walk to the laser and slowly rotate until you shoot the laser into the hole. 4.) walk up the Panels, and shoot a portal on the ground. 5.) Shoot a portal underneath the cube. 6.) Set the cube on the button. EASIER WAY: 1.) get the cube by shooting a portal underneath it, and shoot a portal somewhere else. 2.) walk about 10 ft away from the elevated area with the door and put the cube down. 3.) jump on the cube, and shoot a portal near the door. 4.) shoot a portal somewhere else, then go into the portal, and set the cube down on the button.
No, Portal is for PC only. Portal 2 is for PS3,Xbox 360,and PC. Plus it would suck on PSP.
Portal 2 comes out on April 18, 2011.
You cannot get a demo for Portal 2, and if there were it would be on Steam as Valve (the creators of Portal 2) distribute all their games there exclusively. However, if you haven't played the first Portal game I would recommend it, and if you like it you'll be sure to love Portal 2!
No Portal 2 is for PC, Xbox 360 and PS3.