The engine used in this project is Thief Gold.  Here, we were able to create different levels and diiferent worlds simply by manipulating the controls at the bottom of the grid.  In the lower right hand corner, we typed in the light settings, and we were able to control how much or how little depending on the scene.  Furthermore, the game itself, Thief, is a critically-praised video game, and draws much from the first-person action games similar to the Bond series.