A strange little side quest
The next time Mahjong Birds asks for one more try, remember that game ideas rarely appear from nowhere. The name Tetris combines a reference to four-square pieces with Pajitnov's interest in tennis. And then there is this: 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.