A strange little side quest
Before the next round of Find 7 Differences Dora, here is a piece of the bigger picture. Reader Rabbit's 1986 arrival was part of a major expansion of educational computer software before the CD-ROM boom of the 1990s. 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. That gives Find 7 Differences Dora a little more company than it first appears to have.