DOOM's entire game tone is based on horror science fiction, tension and excitement, through the development of the plot to lead players into the role, players want to pass, you need to clear a variety of monsters along the way, there is damage to the radiation contaminants, oil drums loaded with chemicals that will explode, etc., to find the key card and other props to pass. After passing each chapter will get the corresponding information as an important clue to the later pass.

Players are a space marine role into the game, the initial weapons can choose to use fists or pistols, later there will be larger weapons for players to choose, you need to continue to strengthen their weapons to defeat the monster, complete the chapter content to pass.

The game starts with the background of Firewatch 1 military base, players need to complete the chapter of the various levels, defeat the Baron of Hell, you can enter the Firewatch 2, in this chapter players need to defeat mechanical trolls, and then according to the clues to continue into the next chapter. After the player reaches hell, the spider head will appear, you need to defeat this final leader "spider head", then the hidden level appears, the player will return to the Earth, at this time, countless demons have invaded, countless living beings were killed by the demons, the whole Earth, you began to fight with the demons, in order to save your Home, your love of the Earth, but also to accompany your pet rabbit "Daisy" day and night.

DOOM as a first-person shooter, the protagonist's point of view to lead players into the game as if immersive, diverse game props and intense and exciting game content to enrich the player's game experience, in the single-player game mode, based on the multiplayer mode of play, players to enhance the fun of the game is also increased. Relive the classic game, the joy never ends!