A strange little side quest
Even a quick game like Find 7 Differences sits on top of decades — and sometimes centuries — of ideas. The Oregon Trail began in 1971 when three student teachers created a computer simulation to help Minnesota schoolchildren learn American history. That old idea kept changing rather than disappearing. 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. That history is one reason familiar mechanics can still feel new when they are recombined well.
