A strange little side quest
Grombi trivia break for Duendes in New Year: The first crossword puzzle book appeared in 1924 in a cautious initial printing of 3,600 copies, complete with a free pencil. It also connects to a different milestone: 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. The screen is modern; the urge to test skill, pattern and timing definitely is not.