OpenTyrian is an authorized rewrite of the PC shooter Tyrian from the original Pascal source code into C, utilizing the SDL framework. It was first released on February 7, 2007 and is licensed under the GNU Public License.
There is a slight delay when the Dreamcast loads the music and sound files.
To save, a VMU must be in the first slot of the first controller, and a second controller must be present in order to save. To save, press start on the second controller.