A strange little side quest
Medieval Castle Hidden Numbers may feel immediate, but the ideas around arcade history have been evolving for a very long time. Nintendo's Donkey Kong arrived in 1981 and introduced the character first known as Jumpman, who later became Mario. And then there is this: Spacewar! appeared on MIT's PDP-1 in 1962 and became one of the earliest influential computer games shared among programmers. It is a good reminder that simple game mechanics can carry a surprising amount of history.
