The original DOOM video game was released by id Software, pioneering the first-person shooter genre and influencing gaming culture.
The sequel to the original DOOM was released, continuing the storyline and gameplay innovations.
DOOM 3 was launched with significantly upgraded graphics and a more horror-oriented narrative.
The reboot of the DOOM series released, reviving the franchise with modern graphics and fast-paced gameplay.
Sequel to the 2016 DOOM reboot, offering expanded gameplay and story.
Union Aerospace Corporation (UAC) is founded, establishing itself as a major player in advanced technology and space exploration.
UAC opens research facilities on Mars and its moons to explore new energy sources and teleportation technology.
UAC scientists discover Argent Energy, a powerful energy source originating from Hell's dimension, leading to groundbreaking research but unknown consequences.
UAC begins experimental research and mining of Argent Energy on Phobos, one of Mars's moons, resulting in dimensional breaches.
Due to experiments with Argent Energy, portals to Hell are accidentally opened on Phobos, allowing demons to invade the facility.
The Doom Marine is sent as a last-resort operative to contain the demonic threat on Phobos and close the Hell portals.
After fierce combat, the Doom Marine successfully destroys the Hell portals and eliminates the demonic forces on Phobos.
In response to Phobos events, UAC establishes a more fortified research base on Deimos, Mars's other moon, to continue Argent Energy research.
The Argent Energy experiments on Deimos cause new portals to Hell to open, unleashing demonic armies once more into UAC's facilities.
The Doom Marine is dispatched again to Deimos to eliminate the growing demonic threat and prevent further Hell incursions.
The Doom Marine destroys the demonic fortress on Deimos and the associated Hell portals, halting the invasion.
The Doom Marine encounters and defeats the Spider Mastermind, the major demon leader behind the invasions.
