Sega Genesis

a screen shot from the 1978 arcade video game Space Invaders, depicting the player's green ship along the bottom, behind four green shields, firing up at rows of white-colored invaders getting increasingly lower and firing back. A red UFO is moving across the top of the screen.

A Space Invaders Appreciation Post: The Classic Arcade Game Turns 45

Since its debut in Japan in June 1978, following by its North American release that November, Space Invaders has never relinquished the hold it has had on Earthlings with its fun, addictive and influential gameplay.