Year 1984. While other developers were handing players guns and platform jumps, The Learning Company released a game where you had to solder circuits inside robots to progress. Needless to say, Robot Odyssey sat on shelves much longer than it deserved.

It's an adventure set in an underground world full of robots. Your character wakes up in a mysterious city and needs to get back home. But the path leads through zones controlled by robots, and they won't open doors just like that. You have to program them — literally. Crawl inside, connect inputs and outputs of logic gates, build circuits that tell robots what to do. This wasn't a game. This was a digital logic course with CGA graphics.
The controls are simple to the point of being primitive, movement across the screen straightforward. But once you step inside a robot and find yourself in the middle of its schematic, you switch to a completely different mode. Here you need to understand AND, OR, NOT logic functions — and wire them correctly using cables and components you collect. A circuit error doesn't mean game over. It means the robot just doesn't do what you wanted, and you have no idea why. Debugging in 1984 on an 8-bit PC. I know.

Robot Odyssey is infamous for one thing: it's considered one of the hardest games ever released. Not because of reflexes, not because of enemy count — but because of what it demands intellectually from the player. It seems The Learning Company meant it seriously as educational software, except then forgot to add a tutorial. The result is a game that rewards genuine understanding of electronics, but turns away the vast majority of players before they reach the second room. I gave up after about an hour back in the nineties. And I was sure it was my fault.

Today Robot Odyssey is played mainly by people who've heard about it as a legend, and programmers who want to find out if it's really that tough. You can run it in your browser no problem through DOSBox emulators available online — and then you'll answer for yourself whether you find it fascinating or frustrating. Probably both. It's a historical artifact from a time when someone believed you could teach players gate logic in fun form. It almost worked.