GameSpot may receive revenue from affiliate and advertising partnerships for sharing this content and from purchases through links. April 18, 2026 marks the 15-year anniversary of Portal 2’s release.

Nearly 13 years after the debut of Portal 2, fans of the beloved first-person puzzle game were supposed to be rewarded with the Jan. 5 release of a prequel campaign from Second Face Software. The ...

Portal 2 is 15 years old this weekend, and while that's terrifying if you remember its launch as vividly as I do, it's cause for celebration. Valve's humor-laden puzzle game is still the most pristine ...