A strange little side quest
Zoom out from Sheep Shuffle for a moment and the timeline gets surprisingly deep. The name Tetris combines a reference to four-square pieces with Pajitnov's interest in tennis. That is only half the story. Atari's Gran Trak 10 from 1974 is recognized as the first arcade racing video game. The details change, but the appeal of learning a system and trying again is remarkably persistent.