Space Invaders Atari 2600 developer Rick Maurer leaving Atari over payment issues, Atari tasked designer Christopher Omarzu with hacking the original. The intent was to boost the morale of Coca-Cola's employees, but most of the cartridges were discarded by their recipients. Pepsi Invaders has been mistakenly labelled Coke Wins and Coke Invaders, to the confusion of Omarzu. Legacy Writer Matthew S. Eastin notes it as an early example of an advergame–an advertisement game–and discussed how it was more an attack on a competitor than an advertisement by the company who had it made. The Guardian included it in its list of the best product placement video games, similarly noting it as an early example of this and a "mischievous" marketing attempt. PC Format felt the marketing was smart, comparing it to The Apprentice. Retro Gamer was critical of Pepsi Invaders due to the letters not moving downward as the ships do in Space Invaders. Copies of the game have sold for up to on eBay. See also Advertising in video games References 1983 video games Advergames Atari 2600 games Fixed shooters PepsiCo advertising campaigns Promotional campaigns by Coca-Cola Video games about food and drink Video games developed in the United States