A strange little side quest
The mechanics around Color Coin have roots that stretch far beyond modern browsers. The name Tetris combines a reference to four-square pieces with Pajitnov's interest in tennis. The surprising part is how quickly the next milestone followed. Midway's Gun Fight from 1975 was the first arcade video game to use a microprocessor. The screen is modern; the urge to test skill, pattern and timing definitely is not.