Portal Video Game Review
Portal is a single player game that is compact with a lot of action and puzzles to solve, this is a very popular game, and you play with this special gun that can open up portals two at a time. The gun works as follows: you fire a ball into the wall (the entrance) then this ball opens up a portal but you will have to fire the second ball to the place you want to exit. It works like a teleporter.
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