April 18, 2026 marks the 15-year anniversary of Portal 2’s release. Below, we reminisce about its memorable story, novel cooperative two-player mode, and enduring comedy.
There was a time within the PlayStation 3/Xbox 360 era when Valve was spoiling us with games, packaging some excellent titles in The Orange Box and bringing us back-to-back Left 4 Dead entries. But the corporate hit a stride with the 2011 release of Portal 2, which could be its finest accomplishment of that generation.
Following up from 2007’s Portal, Valve would still have had a success if it had only made and released the single-player campaign, however the developers went the additional mile with the addition of a full-fledged co-op campaign–which itself would have been an equally worthy sequel to Portal by itself, and looking back, was a harbinger for cooperative and social games trending today.
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