OpenTyrian is a port of the DOS shoot-em-up Tyrian. Tyrian is an arcade-style vertical scrolling shooter. The story is set in 20,031 where you play as Trent Hawkins, a skilled fighter-pilot employed to fight Microsol and save the galaxy. This port is done by Molokai.

Changes:

All DPads now support bidirectional movement. This makes the GC pad much more viable as a controller to use in OpenTyrianWii.
Fix confirmed for the CC DPad bug. It now only functions as a DPad.
Unconfirmed fix for HBC 1.0.2 and up (I tested it on my Wii with 1.0.3 and it worked).
Because of a bug in the joystick saving function, I have temporarily disabled it. Details in Controls.
As a note, turning the volume down on the sfx seems to diminish the popping in the audio, but only slightly. Still looking into a proper resampling.
Also, don’t change the scaler to anything but scale2x. 2x is now a testing ground for the 640×480 upscale, and is unstable.

http://wiibrew.org/wiki/OpenTyrianWii