As the invasion continues, the base becomes more distorted with hellish architecture.
The original game also spawned multiple sequels and reboots, numerous console ports, a 2005 sci-fi action film, and a wide variety of unofficial source ports and enhancements (thanks to the decision to release the source code with minimal restriction).
Also released as a free upgrade for those who own the original game, The Ultimate Doom added a new epilogue episode (Thy Flesh Consumed) bridging the game with its sequel, Doom II: Hell on Earth.
While the original game was a shareware mail-order release, a special edition of the game (known as The Ultimate Doom) was later distributed in retail boxed format. space station on Phobos, the lone space marine must fight through the onslaught to keep them from attacking Earth. As the last man standing guarding the Hangar of the U.A.C. As they try to establish a gateway between the two moons using this technology, the experiment goes awry and the demons of Hell use the portals to invade the two moons. The lore of the game, set sometime into the future, involves the Union Aerospace Corporation (U.A.C.), a multi-planetary conglomerate that has been utilized by the Earth military to secretly experiment on alien teleportation technology discovered on the moons of Mars. The game's engine (later known as id Tech 1) is known to pioneer new features to the genre, including non-perpendicular walls, complex rooms (known as "sectors") with varying height differences, multiplayer (both co-operatively and competitively, for up to four players at a time) and the concept of packaging the game's content (levels, sounds, and music) into singular data files (WAD files) for easier modification and distribution, leading to the birth of the modern mod-making community.
Doom is a sci-fi horror first-person shooter developed and published by id for the PC (running MS-DOS) on December 10, 1993.Īs a nameless space marine, players trek through over 24 levels (split up into three episodes), where they liberate space stations from demon infestation in both Phobos and Deimos, only to take on Hell.