Days of Decay is a simulator of survival with role elements, a plot that developed in the distant future during the period of human colonization in the remote corners of the cosmos. So, the history of the game will tell us about certain expeditions to Mars, where you are a participant. According to the laws of the genre, after your team's arrival on Mars, everything doesn't go according to plan and you find yourself in a difficult situation when you are forced alone to try to survive in the harsh conditions of a distant planet. Gameplay is a survival simulator with an open world and freedom of action and role playing with many tasks and tasks.