Valve tried putting competitive multiplayer into Portal 2, but ditched it due to the ensuing "chaos". "Along with co-op, [we had] the idea of sort of a competitive Portal multiplayer," game writer ...

The overwhelming favorite for E3 2010’s best of show was none other than Valve’s sequel to the original smash hit, Portal 2. From Gabe blowing away us Sony fanboys when he walked out on stage at ...

A seven-minute gameplay video showcasing the first puzzle’s of Portal 2‘s bot-starring co-op mode has wormholed its way online. Co-op has a pair of robots working together solving what the game ...

The original concept for Portal 2 featured a different main character, but the concept behind how the game would start was largely the same. Here, the player is waking up in a gorgeous environment ...

We may earn a commission from links on this page. Officially released details on Valve's sequel to Portal were scant. Fortunately, retailer GameStop comes through with some major details, including ...

Portal 2 features a separate two-player co-operative campaign, playable over the internet, and new gameplay features include physics-changing paint. That's according to various reports and scans that ...

GameSpot may get a commission from retail offers. According to GLaDOS, Portal 2's dry-witted antagonist, scientific achievement is all about cooperation. That's why one of history's greatest ...

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