Doom 3 (v1.3.1) [gog] Apr 2026

: Set two years later, a new protagonist (another Marine) is sent back to the abandoned Mars base to investigate a mysterious beacon, leading to a second confrontation with Dr. Betruger (now a demonic entity) and the recovery of the "Artifact." -60% DOOM 3 on GOG.com

: As you fight through the facility, you discover ruins of an ancient Martian civilization that once fought the same demonic forces. They created a weapon called the Soul Cube , which you must recover from Hell to seal the portal. DOOM 3 (v1.3.1) [GOG]

: You eventually learn that Dr. Betruger has defected to the side of Hell, orchestrating the invasion in exchange for power. : Set two years later, a new protagonist

: The Marine must travel into the heart of Hell, defeat the Cyberdemon guarding the primary "Hell Hole," and use the Soul Cube to close the gateway. Version 1.3.1 [GOG] Specifics : You eventually learn that Dr

: Unlike the "run-and-gun" style of other entries, the DOOM 3 story emphasizes isolation and darkness.

The core conflict revolves around . Dr. Betruger’s experiments accidentally (and intentionally) open a gateway to Hell . A massive shockwave ripples through the base, instantly transforming most of the UAC staff into mindless zombies and allowing demonic entities to invade the facility. Key Plot Points

The story of DOOM 3 (v1.3.1) serves as a gritty, horror-focused reboot of the original series. It is set in the year 2145 on the Mars Research Facility owned by the . The Setting and Premise