God Save Birmingham immerses players in a zombie apocalypse set in medieval England. This action survival game places you in 14th century Birmingham, where a mysterious plague has turned the population into monstrous undead. The Early Access version offers a sandbox mode that allows players to explore a limited section of the city, with plans for a full release that will include a complete town and a campaign mode. Players must navigate through the dangers of the undead while scavenging for resources and crafting essential tools and weapons.

The gameplay emphasizes survival mechanics, requiring players to forage for food, water, and shelter while managing the constant threat of the undead. The physics-based mechanics enhance the experience, allowing for creative solutions to escape danger, such as barricading doors or using the environment to outsmart foes. With a detailed recreation of historical Birmingham, players can explore various locations like markets and taverns, immersing themselves in the rich setting as they fight for survival.