Coke Wins

Pepsi Invaders (also known as Coke Wins) is a video game for the Atari 2600 platform, based on the popular Space Invaders. It was commissioned by Coca-Cola for their 1983 sales convention, and developed by Atari as a modification of the original Space Invaders cartridge. The game is a modification of Space Invaders, with each row consisting of the letters P E P S I followed by an alien, instead of the original six aliens.[