One version is common, at least one other version is rare
 Game design & concept by Gilman Louie and Mark Johnson. Coding by Chris Orton, Colin Bell and Russell Payne. Graphics by Martin Kenwright; 3D graphics by David Whiteside and Martin Kenwright. Sound FX by Russell Payne and Andy Fisher.
 Game supports two player gameplay via serial link-up.
 Extra RAM enables the black box feature and provides additional sound fx.