Portal: Rebirth - Rebirth aims to create a unique Portal 2 experience based on visuals of both the first and second games. The puzzles will mainly be based on Portal 2 mechanics, and no word on the storyline yet. Please follow the mod to get updates on progress and story.
I'm going to use the Portal 1 elevator because otherwise it kills the style.
The walls look very much like P1.
Because they are!