Robot Odyssey is one archive educational game of 1984, which requires you to know basic programming principles to play.
He was a source of inspiration for the programmers of his time and we could say that he pushed the next generation to get involved in programming in general. You can either "remember the old days" or test your programming knowledge, from the computer of your home and through your browser with one visit robotodyssey.online website.
The game looks pretty simple: you have to escape Robotopolis with the help of three robots, which you will need to program by putting the right wiring to solve the puzzle.
David Auerbach, who writes about Slate, named it the most difficult computer game of all time, stating:
Let me just say: Every kid completing this game and if he's still a kid then ... is guaranteed a career as a software engineer. And any adult who can complete this game should become a computer engineer. Robot Odyssey is the toughest "educational" game ever made. It is also an amazing technical breakthrough and one of the most innovative games of the Apple IIe era.
It sounds like challenge; You just have to try.