A strange little side quest
The mechanics around Under Bed Monster Care have roots that stretch far beyond modern browsers. In 1958, Tennis for Two used an analog computer and an oscilloscope to turn simple physics into a playable tennis-like demonstration. The same trail leads to another fact: Nintendo's Donkey Kong arrived in 1981 and introduced the character first known as Jumpman, who later became Mario. Not bad for a few facts hiding behind a Play button.