A strange little side quest
Before the next round of More Bloons, here is a piece of the bigger picture. Gun Fight reached arcades in 1975 and became the first arcade video game to use a microprocessor. The broader history adds one more wrinkle. Atari's Gran Trak 10 from 1974 is recognized as the first arcade racing video game. That long chain of experiments is part of why action games still feels fresh when a game finds the right twist.