Which retro video game was released first?

Space Invaders was released first among the popular retro video games. It was developed and launched in 1978 by Taito Corporation in Japan. The game gained immense popularity and became a cultural phenomenon, introducing the concept of shooting aliens descending upon the player's spaceship. Space Invaders had a significant impact on the gaming industry, paving the way for future developments and inspiring numerous imitations and adaptations.