User summary (details from Wikipedia): Deflektor is a puzzle game developed by Vortex Software and published by Gremlin Graphics in 1987. In this game, the player has to rotate mirrors to deflect a beam in order to destroy all the mines of each level. There are also other devices the player has to be careful not to touch with the beam for too much time because otherwise the system will overload. The game was followed by a sequel in 1989 called Mindbender. There was also a freeware Windows 3.x version called Deflektor PC, now converted to modern Windows and OSX, called Deflektor X4. Details source: Wikipedia, "Deflector_(video_game)," available under the CC-BY-SA License.