A strange little side quest
Find It: Find Differences belongs to a much longer story of play than a browser tab might suggest. The name Tetris combines a reference to four-square pieces with Pajitnov's interest in tennis. The same trail leads to another fact: Women competed in Olympic archery as early as 1904, making it one of the early Olympic sports to include women. The screen is modern; the urge to test skill, pattern and timing definitely is not.