Note: this page offers information and curiosities based on several sources, but does not cover all existing content. Collaborate with our Wikigamer to add references and information by getting in touch with us.

The planet Sierra is being attacked by Scarlet, a terrorist group lead by a vicious creature named Xi-Tiger who is plotting to destroy the human race. With vengeance, our hero Epsilon-Eagle will fight against Xi-Tiger as well as the terrorist organization that he formerly led.