Payday developer, OVERKILL, is working on a co-op FPS game about The Walking Dead. Last year this game was delayed to the second half of 2017. But now it has been delayed once again, till the second half of 2018.
OVERKILL's parent company, Starbreeze Studios, announced this decision on their official website but it's written in Swedish only.
Additionally, Starbreeze Studios is hosting a live-stream on May 10. It'll discuss several upcoming and present Starbreeze games, including OVERKILL's The Walking Dead, Payday 2, Psychonauts 2. You can watch it on their Twitch channel.