Portal 2 – A tribute
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Portal 2 – A Tribute to Portal 2 Game
Just like the Original Portal game, this one is also based on using portals to get in and out. However, there are different objectives to complete.
Start by choosing File 1 and then play Basic to learn. You can use the F key to open the portal, and then Enter it. When you come out go to the square box and press F to pick it up. Carry that box down and put it on the button.