A strange little side quest
Liquid Sorting may feel immediate, but the ideas around learning games have been evolving for a very long time. The Oregon Trail began in 1971 when three student teachers created a computer simulation to help Minnesota schoolchildren learn American history. And then there is this: Computer Space reached arcades in 1971 and became one of the earliest commercial electronic arcade games, even though its controls proved demanding for many players. It is a good reminder that simple game mechanics can carry a surprising amount of history.
