The term signifies a specific installment in a prominent video game franchise, Call of Duty: Black Ops, focused on its Zombies mode, specifically adapted and released for the iOS mobile operating system. This adaptation brought the popular console and PC gaming experience to a portable platform, enabling gameplay on devices such as iPhones and iPads.
This mobile version offered a convenient way for players to engage with the Zombies experience on the go. It provided a condensed but faithful representation of the core gameplay loop, including wave-based survival, weapon upgrades, and strategic map navigation. Its historical context involves the broader trend of porting established console game franchises to mobile platforms, driven by the increasing power and capabilities of mobile devices.