http://www.netrover.com/~timt/cheats/i/indianajoneslast.html (Amiga Plus Extra No. 5/97, 05/1997)On the title screen, type "IEHOVAH", the screen should flash. Now during the game press 'L' to skip levels. Pressing '1' or '2' will take different sections of the level your currently on. Press 'I' to get icon.
On the high score table, type "SILLYNAM" for infinite continues.