A strange little side quest
Here is a rabbit hole for the next loading screen in Tägliches Lückenkreuzwort: The name Tetris combines a reference to four-square pieces with Pajitnov's interest in tennis. That is only half the story. Reader Rabbit's 1986 arrival was part of a major expansion of educational computer software before the CD-ROM boom of the 1990s. That long chain of experiments is part of why puzzles still feels fresh when a game finds the right twist.