http://www.netrover.com/~timt/cheats/c/captaindynamo.html (Amiga Plus Extra No. 5/97, 05/1997)On the high score table, enter "PURPLE RAIN" or "SEXY PRINCE" as your name for infinite lives. Now use the '+' and '-' keys to skip levels.
Check out Del's Homepage. He coded Captain Dynamo and has a page about it on his web site.