A galactic battle begins!
The BYDO Empire of mutant extra-terrestrials is back - with evil intent and awesome power.
Now the evil Empire is poised to launch a new attack on Earth. Only the revolutionary R-9 stands between these monsters and doom.
Are they invincible? You'll need lightning reflexes, intuitive moves and a big dose of cosmic luck to hold your own! "R" you ready? The mutants "R" ready for you!