Having gleaned important information from very ancient archives, you have to set out to find a remote temple in the middle of an Amazonian jungle in which may be found the answers to life, the universe and everything...
Notes
Published as public domain at least as early as 1989, as it's mentioned in Amstrad Actionissue 62 (January 1990), with the author providing it for free to anyone who sent him a blank cassette and return postage.