States markets. Thus, the game's existence in the world's two biggest video game countries went relatively unnoticed and remains an obscure European release to this day. However, it is highly valued by some retro game collectors for this very reason. References External links Master System games 1991 video games 1993 video games Action video games Game Boy games Video games based on DC Comics Video games scored by Jeroen Tel Video games developed in the United Kingdom Superhero video games Flash (comics) in other media Video games set in the United States