Version differences

For reasons unknown the Amiga and Atari ST versions do not have the original level 2, with the scuba divers and a submarine end boss. Instead it skips to the harbour docks level, calling it level 2. Due to this missing level, there only are 4 levels in total.

Contributed by BdR (6009) on Oct 03, 2008. [revised by : Patrick Bregger (210512)]. -- edit trivia