The Puzzle Creator features a stylised representation of the test chamber being worked on featuring a simplified, bright, and flat color palette, and models and textures lack the level of detail that they would have in-game.
The 'Puzzle Creator' does not appear to have a single official name Valve published a blog post on the Octoreferring to the editor as the 'Puzzle Creator', later referred to it on the blog post of Apas 'Puzzle Maker' and simply calling it 'Editor' in-game.
It has a plan there too, it comes in the form of a simplified level editor a Photoshop for test chambers'. The editor was first mentioned within The Final Hours of Portal 2, ' Valve figures out how to make designing Portal 2 maps an easier process.
