You solved all the normal puzzles in Portal 2, which is good for a human test subject. But you want to be great, don't you? You want to be the best tester at Aperture. You want GLaDOS to love you like your mom never did. Don't you? CVG is here to help with 10 secrets to impress in Portal 2.
Portal 2 is the sequel to 2007's Game of the Year and draws from the award-winning formula of innovative gameplay, story, and music that earned the original over 70 industry accolades. Features single and multiplayer co-op modes.
