

The Martian marine unit is dispatched to investigate, with Doom guy left to guard the perimeter with only a pistol while the rest of the group proceeds inside the base.

Three years after Doom guy's posting to Mars, Deimos disappears entirely and "something fraggin' evil" starts pouring out of the teleporter gateways, killing or possessing all personnel on Phobos. The space marines act as security for the Union Aerospace Corporation's radioactive waste facilities, which are used by the military to perform secret experiments with teleportation by creating gateways between the two moons of Mars, Phobos and Deimos. In the future, the player character (an unnamed space marine, known as "the Doom marine" or simply "Doom guy") has been punitively posted to Mars after assaulting a superior officer, who ordered his unit to fire on civilians. The campaign contains very few plot elements, with the minimal story instead given in the instruction manual and in short text segues between episodes. A fourth episode, "Thy Flesh Consumed", was added in an expanded version of the game, The Ultimate Doom, released in 1995, two years later and one year after Doom II. id returned to the fast-paced action of the classic games with the 2016 game Doom and the 2020 sequel Doom Eternal.ĭoom is divided into three episodes: "Knee-Deep in the Dead", "The Shores of Hell", and "Inferno". Doom 3, a horror game built with the id Tech 4 engine, was released in 2004, followed by a 2005 Doom film. The source code was released in 1997 under a proprietary license, and then later in 1999 under the GNU General Public License v2.0 or later. The Doom franchise continued with Doom II: Hell on Earth (1994) and expansion packs including Master Levels for Doom II (1995). Its graphic violence and hellish imagery drew controversy.ĭoom has been ported to numerous platforms.

It pioneered online distribution and technologies including 3D graphics, networked multiplayer gaming, and support for custom modifications via packaged WAD files. Along with its predecessor Wolfenstein 3D, it helped define the FPS genre and inspired numerous similar games, often called Doom clones. An updated version with an additional episode and more difficult levels, The Ultimate Doom, was released in 1995 and sold at retail.ĭoom is one of the most significant games in video game history, frequently cited as one of the greatest games ever made. The first episode, comprising nine levels, was distributed freely as shareware and played by an estimated 15–20 million people within two years the full game, with two further episodes, was sold via mail order. Players assume the role of a space marine, popularly known as Doomguy, fighting his way through hordes of invading demons from Hell.

Doom is a 1993 first-person shooter (FPS) game developed by id Software for MS-DOS.
