Galaxian

Galaxian is an arcade video game released by Namco in 1979. In this game, the player controls a spaceship and shoots enemies coming down in different directions. A sequel, "Galaga", was released in 1981.
The game was a very popular game when it was released. It has been ported to many video game consoles such as the Atari 2600, the NES, and the Game Boy. It has also been featured in Namco video game collections such as "Namco Museum Remix" for the Wii.