Portal fans were eating well for a while. The first game, which introduced portals as a puzzle-solving concept, launched in 2007 to much acclaim and was followed three years later by the equally beloved Portal 2. This expansive sequel added a lengthy co-op mode, new mechanics, and an intriguing continuation of the Aperture Science mystery. Aside from the very brief Peer Review co-op DLC, the excellent Bridge Constructor Portal, and appearances in the likes of Aperture Desk Job for the Steam Deck, there has been little else Portal-wise for us to feast on.
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