== Portierungen ==* Atari 5200 (1985)* Commodore 64 (1985)* ZX Spectrum (1985)== Weblinks ==* http://www.bigfivesoftware.com/atari/BBSB/History/history.htm ###>One improvement to this sequel is after losing a life, sections on platforms remain covered and destroyed enemies do not reappear, thus making it easier to complete a level.