Based on 1989 TAD coin-op.NB.  The Sega MD/Genesis version is a recoding of the coin-op, with different level layouts, more levels & fewer power-ups Spectrum/Amstrad GX4000 versions were never released despite ads
 Coding by Michel Janicki. Graphics by Philippe & Lionel Dessoly. Music/sound FX by Pierre-Eric Loriaux.  Distributed by Leader in Italy and Bomico in Germany.