Download approximately 130 MB (compressed zip file). Demo requires approximately 1.5 GB hard drive space to install, 3 GB of RAM on 64 bit OS, 2 GB of RAM on 32 bit OS. Almost any CPU and GPU will do. Available for Windows PC, Mac and Linux platforms. To install: - unzip all files in same directory, and run Application file. That's it. Compatible with keyboard & mouse, and gamepad controllers. Controls: - WASD/Arrow Keys = movement (gameplay), movement of selection (menu) - SPACE/ENTER = jump (gameplay), select (menu) - mouse click = select (menu) - mouse movement/IJKL = camera (gameplay) - mouse scroll wheel/Q and E = zoom in/out (gameplay) - ESC = exit/go-to-menu For Microsoft Xbox 360 Controller: - left joystick = movement (gameplay), movement of selection (menu) - A button = jump (gameplay), select (menu) - right joystick = camera (gameplay) - trigger buttons = zoom in/out (gameplay) - BACK/START = exit/go-to-menu More information available at http://www.fromdustscratch.com http://drew.fromdustscratch.com Contact ahlynka@fromdustscratch.com with any questions. Thank you for playing!