Click on the appropriate link under the Formats section of a file's description to begin downloading. A definition of the file formats is available at the bottom of this page.
All file sizes are approximate.
Feb 23, 2001. Unzip both files and put both HydraEng. DLL and Hydra6.EXE in your Hydra program directory. You must first have installed the Hydra 6.1 interface from CD before downloading this latest engine. Also, must be used in conjunction with the latest interface update.