DOOM is a first-person shooter video game series developed by id Software. The series is based on an unknown, cosmic soldier working for Union Aerospace Corporation (UAC) who fights monsters and zombies to survive.

Celebrating the 25th anniversary of DOOM, the original DOOM (1993) has been re-released, including the expansion Thy Flesh Consumed, now available for iOS devices. first released in 1993, DOOM introduced millions of gamers to the fast-paced, white-knuckle, demon-slaying action games for which the series is known. Relive the birth of the first-person shooter and experience the classic demon-slaying fun of the popular genre wherever you go. In the video game industry, the series is widely regarded as one of the pioneers of first-person shooters. The games have features such as 3D portraits, a realistic sense of 3D space, networked multiplayer, and allowing players to create additional levels using the Doom WAD. Since the release of Doom in 1993, the series has had four sequels, countless expansion levels, and the Doom movie of the same name.