V3Tweaks allows to configure graphics driver settings, like the 3dfx Tools, for Direct3D, Glide, and OpenGL APIs as well as monitor's refresh rate, and desktop size. This utility also allows you overclock video card, and so it is very dangerous. V3Tweaks can save customized settings as a profile, and supports 3dfx graphics cards Velocity 100, Voodoo3 2000, Voodoo3 3000, and Voodoo3 3500 TV with Operating Systems Windows 95, Windows 98, Windows Millenium Edition, and Windows 2000.