Darkness 1.1 - Darknes is a Screen Dimmer (changing the monitor's gamma table). Features - Adjust the brightness 0% to 80%, "Darkness" is a background only application, not a system extension (does include a Control panel and extension). Running the terminal soft and File Sharing, 3D rendering... not a problem. Multi monitor system compatible. 68k and PowerPC native. Requires System 7.0, and Color Quickdraw and Gdevice support monitor system(s).