Doom 3 Walkthrough: Site 3 Guide

Q: How to complete Site 3 [D3.04.25] in Doom 3?

Site 3 is a critical UAC facility where the demonic invasion begins. You'll face numerous demons, including zombies and imps, and must navigate through security checkpoints and research labs to progress. Key objectives include securing communications and finding a way to escape the escalating chaos.

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Walkthrough

1
Upon arriving at Site 3, you'll immediately encounter hostile demons. Prioritize clearing the immediate area of threats, including zombies and imps.
2
Proceed through the initial corridors, utilizing cover and your weapons effectively. Watch out for ambushes from vents and doorways.
3
You will need to activate certain systems or find keycards to progress. Follow the on-screen prompts and objective markers.
4
Navigate through the research labs and security areas. These sections often feature tighter spaces, increasing the intensity of combat.
5
Be prepared for encounters with tougher enemies as you delve deeper into the facility.
6
The primary goal in Site 3 is often to restore communications or find a specific objective item, so keep an eye on your PDA for mission updates.
7
As you approach the end of the level, expect a more challenging combat encounter before you can move on to the next area.

Tips

Conserve ammunition, especially for heavier weapons, as you will encounter many enemies.
Use the environment to your advantage; explosive barrels and tight corridors can be used to control enemy movement.
Always check your surroundings for health, armor, and ammo pickups.
The flashlight is crucial in the often dark environments of Site 3. Ensure it's always ready.
Listen for audio cues that indicate enemy presence.

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