I found this game on PC Gamer via Steam. As PC Gamer so aptly noted, it might be hard to find more info on this game by simply googling 'Enemy' so I am posting some (links to) videos here.
Here is a video on the lighting.
http://vimeo.com/67188003
Here is a video of his vision
http://www.pcgamer.com/2013/02/20/enemy-a-turn-based-tactical-roguelike-in-a-procedurally-generated-physics-playground/
Here is a video on the modding capabilities of the game
http://vimeo.com/67188837
The inventory system
http://vimeo.com/70208475