A downloadable game
Vanishing Maze was made at Nordic Game Jam 2015 by Anders Højsted.
You can read more about my games here: http://greatdanegames.com/#home
The idea of the game is that you can't see the maze that you are in, but you can make it appear.
However, after a while it vanished again.
The game is windows PC only.
Download the file and click it.