Invisible vision is a game of undersea submarine combat where sound is your greatest ally and your biggest foe. The wireframe ocean around you ripples with the sound of engines and torpedoes for beautiful effects and vital information about your battlefield. Complete with bosses, different choices of music and color schemes, and bonuses for exemplary combat achievements. (Z key fires torpedoes) Download the zip package and extract to a folder of your choice. Launch the program by double-clicking iv.exe. Alternatively, you can play this game windowed by double-clicking window.bat, or with different color schemes by double-clicking grey.bat or blue.bat.