What's Left Behind

It has been 20 years since a plague ravaged the planet. The dead rose to shamble across the dense urban expanses and vast plains around the globe. Cities crumbled and humanity retreated into their last safe bastions to fend off the relentless hordes. In the preceding decades, most of the hordes have rotted away and the time has come for humanity to strike out again and reclaim what was lost. You h…