Mythical game that has haunted arcades and bars for more than 20 years, Galaga is a sacred monster of video game.
Following Galaxian, but with a more advanced gameplay and artificial intelligence, Galaga is the first shoot'em up to allow playing with two ships at once and to participate at challenge levels.
The game has not aged a bit and you can rediscover online version here.
Shift: Insert Coin
Z: Button A