Published by Hung Tao Hsin (HTH) during the 1990s, this is a Game Gear conversion of the Sega Master System game R-Type. Some sources suggest that HTH published these games with permission from Sega, whereas other accounts suggest that these are just unofficial releases.
 
This cartridge has been tested and works fine. It comes with the box and instruction manual. The box has some wear and the instruction manual also has some stains on it,