As a horde of zombies approaches along several parallel lanes, the player must defend their home by putting down plants, which fire projectiles at the zombies or otherwise detrimentally affect them. The player takes the role of a homeowner amid a zombie apocalypse.
First released for Windows and Mac OS X, the game has since been ported to consoles, handhelds, and mobile devices. Zombies is a 2009 tower defense video game developed and published by PopCap Games.