Arkos, a former loyal lieutenant of the beautiful but evil galactic empress Queen Gremla, became a rebel dedicated to end her cruel tyranny.

The first part of the game takes place on the prison planet Hypsis, from which Arkos must try to escape.

In the second part, Arkos arrives in the jungle swamp planet Sckunn to infiltrate the queen's palace, defeat her Giant Guardian robot, and assassinate her.

Controversy arose around the presence of a visible nipple on the advertising and inlay artwork, which had originally appeared on the cover of Heavy Metal (May 1984 - Vol.

Computer & Video Games awarded it 8/10 for the ZX Spectrum and 7/10 for the Amstrad CPC versions.