Dying Light is a 2015 survival horror video game developed by Polish video game developer Techland and published by Warner Bros. Interactive Entertainment for Microsoft Windows, Linux, PlayStation 4, and Xbox One. The game revolves around an undercover operative sent to infiltrate a quarantine zone in a city called Harran. It features a zombie-infested, open-world metropolis with a dynamic day and night cycle. It was originally planned to release in 2014, but was pushed back to 2015.