Dom O'Leary is a contirbutor on Game Rant. He has over 6 years of experience in writing, covering everything from games news and reviews to commercial writing and editing. He's been a lover of games ...

While Portal 2's single player offered a hardy challenge, the real mind benders are found in the co-op campaign. The possibilities are much bigger withfour portals, and it can befrustrating whentwo ...

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Portal 2 has been released on Steam after a whole week of release anticipated. Every big game launch on PC doesn’t come hassle-free, so you may have had to go through several problems at start due to ...