Portal 1.5 is a project that has been silently advancing under the steady hand of its author. The mod's goal is to apply the advanced textures, lighting, and other graphical technologies that made Portal 2 look so ripe to the first game. Today we decided to shine a light down there in the form of an interview and see what he's accomplished and what he's aiming for. What we found was a one-man mapping team with plans bigger than just a graphical reboot.
Modinformer Interview Portal 1.5