A strange little side quest
Here is a rabbit hole for the next loading screen in Market Square: The name Tetris combines a reference to four-square pieces with Pajitnov's interest in tennis. The broader history adds one more wrinkle. In 1958, Tennis for Two used an analog computer and an oscilloscope to turn simple physics into a playable tennis-like demonstration. Grombi files that under: small game, surprisingly large backstory.