: As the legendary Marine, you are summoned to the Martian facility. Your objective is straightforward: annihilate every demon in your path and prevent Hell from consuming Earth. Preparing for the Download

The request "" combined with " prepare story " likely points to the iconic sci-fi horror narrative of the DOOM franchise—specifically the moment a lone Marine is thrust into a demonic invasion on Mars.

The central story across the franchise, from the 1993 original to Doom Eternal , follows a nameless space marine—often called the —who becomes the last line of defense against the forces of Hell.

: The research facility is quickly overrun by a ferocious demonic invasion. Bases on Phobos and Deimos are transformed into gore-slicked labyrinths, and the staff are either slaughtered or turned into mindless zombies.

: On the moons of Mars, the Union Aerospace Corporation (UAC) has been conducting secret experiments with teleportation technology. In their pursuit of unlimited energy, they accidentally opened a gateway to another dimension: Hell .

: Enthusiasts often use GZDoom to run original game files (WADs) with 3D floors, modern lighting, and thousands of community-made story mods .