This new application file for Descent II helps you take advantage of 3dfx graphics accelerator cards. In order to use this file, you must have a full version of the original Descent II as well as a 3dfx card installed. This updated version features many improvements and fixes that bring gameplay up to the level of the original. Frame rate display is fixed and the keyboard config crash is fixed. It's best if you download the latest 3Dfx beta drivers before running this.