I remember this style of copy-protection in another game released the same year (1989). Indianapolis 500: The game would ask a question that would be answerable

I remember this style of copy-protection in another game released the same year (1989). Indianapolis 500: The game would ask a question that would be answerable from the manual.[1] [1] http://www.abandonia.com/en/games/897/Indianapolis+500+-+The+Simulation.html http://www.abandonia.com/en/games/897/Indianapolis+500+-+The...