The Walking Dead is an episodic graphic adventure game series developed and published by Telltale Games and Skybound Games. It is based on the comic book series of the same name by Robert Kirkman, Tony Moore, and Charlie Adler. First released in April 2012, the series currently spans four main five-episode seasons, an additional episode as downloadable content, and a mini three-episode season, with the fourth and final season being released in 2018 and ended in 2019. The games have been released to personal computers, game consoles, and mobile devices and have had both digital and physical releases.