Doom 3 Walkthrough Excavation Site

September 12, 2016 (Last Updated: ) | Reading Time: 3 minutes

This Doom 3 walkthrough is divided into 27 total pages.

You can jump to nearby pages of the game using the links above.

Excavation Site

Doom 3 Walkthrough - Doom 3 1318
Doom 3 Walkthrough - Doom 3 1318

The lift is surrounded by supplies. Before heading through the archway ahead, pick up everything you can, including cells, a BFG 9000, bullets, armor, rockets and grenades. Don't miss these medkits either. You can climb the scaffolding to reach the top shelf.

Doom 3 Walkthrough - Doom 3 1319
Doom 3 Walkthrough - Doom 3 1319

Descend the stairs and find more medkits here. Watch the video to learn about the excavation site.

Doom 3 Walkthrough - Doom 3 1320
Doom 3 Walkthrough - Doom 3 1320

Approach the backpack behind the sarcophagus and the wall breaks apart. The backpack holds a BFG cell, plasma cells and bullets.

Doom 3 Walkthrough - Doom 3 1321
Doom 3 Walkthrough - Doom 3 1321

Follow the cavern, then this wall opens as you approach.

Doom 3 Walkthrough - Doom 3 1322
Doom 3 Walkthrough - Doom 3 1322

That's just not right. The wall closes behind you and the floor descends like an elevator. No turning back now.

Doom 3 Walkthrough - Doom 3 1323
Doom 3 Walkthrough - Doom 3 1323

Follow the twisting cavern. When you see these red stones, turn left.

Doom 3 Walkthrough - Doom 3 1324
Doom 3 Walkthrough - Doom 3 1324

Time for an easter egg. Press this stone with the id logo.

Doom 3 Walkthrough - Doom 3 1325
Doom 3 Walkthrough - Doom 3 1325

A wall panel slides open to your left, revealing this secret room.

Doom 3 Walkthrough - Doom 3 1326
Doom 3 Walkthrough - Doom 3 1326

Grab the id Software PDA from the center of the pentacle.

Doom 3 Walkthrough - Doom 3 1327
Doom 3 Walkthrough - Doom 3 1327

The PDA holds heartwarming messages from the dev team.

Doom 3 Walkthrough - Doom 3 1328
Doom 3 Walkthrough - Doom 3 1328

Backtrack to where you turned left a moment ago. This time turn right.

Doom 3 Walkthrough - Doom 3 1329
Doom 3 Walkthrough - Doom 3 1329

The wall before you crumbles, and a cutscene introduces Doom 3's final boss...

Doom 3 Walkthrough - Doom 3 1330
Doom 3 Walkthrough - Doom 3 1330

The Cyberdemon. Yikes!

Doom 3 Walkthrough - Doom 3 1331
Doom 3 Walkthrough - Doom 3 1331

Needless to say he's huge, and you want to keep your distance.

Doom 3 Walkthrough - Doom 3 1332
Doom 3 Walkthrough - Doom 3 1332

The arena is a large circular area where minions emerge from this center pit.

Doom 3 Walkthrough - Doom 3 1333
Doom 3 Walkthrough - Doom 3 1333

The Cyberdemon will only fall to the Soul Cube. Remember your Soul Cube is available every five frags and will replenish your health.

Doom 3 Walkthrough - Doom 3 1334
Doom 3 Walkthrough - Doom 3 1334

Focus on defeating the many Maggots and Imps to recharge your Soul Cube, then unleash it on the Cyberdemon.

Doom 3 Walkthrough - Doom 3 1335
Doom 3 Walkthrough - Doom 3 1335

Keep backing up, running around the circle of the arena as you fire at the Cyberdemon's minions.

Doom 3 Walkthrough - Doom 3 1336
Doom 3 Walkthrough - Doom 3 1336

In addition to running backwards, changing weapons and firing at the Wraiths, Imps and the Cyberdemon, you'll have to dodge the Cyberdemon's missiles as seen here.

Doom 3 Walkthrough - Doom 3 1337
Doom 3 Walkthrough - Doom 3 1337

Scarce supplies can be found, such as this medkit and armor.

Doom 3 Walkthrough - Doom 3 1338
Doom 3 Walkthrough - Doom 3 1338

More armor can be found here.

Doom 3 Walkthrough - Doom 3 1339
Doom 3 Walkthrough - Doom 3 1339

This is a tough battle for sure, but the Cyberdemon will eventually succumb to your Soul Cube.

Doom 3 Walkthrough - Doom 3 1340
Doom 3 Walkthrough - Doom 3 1340

Blood-splattered and beaten, the Cyberdemon falls.

Doom 3 Walkthrough - Doom 3 1341
Doom 3 Walkthrough - Doom 3 1341

Victory!

Doom 3 Walkthrough - Doom 3 1342
Doom 3 Walkthrough - Doom 3 1342

The final cutscene plays. The Marines arrive from earth and you are rescued. Swann is dead. But what of Betruger?

Doom 3 Walkthrough - Doom 3 1343
Doom 3 Walkthrough - Doom 3 1343

He's living as a tongue inside a large flying demon-beast thing.

Doom 3 Walkthrough - Doom 3 1344
Doom 3 Walkthrough - Doom 3 1344

Is he the beast itself, or just its tongue? Is he happy with this arrangement? It's all a mystery and the boards are abuzz.

Doom 3 Walkthrough - Doom 3 1345
Doom 3 Walkthrough - Doom 3 1345

Lastly, the end credits. I hope you enjoyed this game and I also hope that this walkthrough helped you! Game on!

More Doom 3 Walkthroughs

This Doom 3 walkthrough is divided into 27 total pages.

More From Port Forward

Thumbnail for Phantasy Star Online 2: New Genesis

How to Port Forward in Your Router for Phantasy Star Online 2: New Genesis

Help improve your connects in Phantasy Star Online 2: New Genesis by forwarding some ports in your router.

Read More
Thumbnail for Darkest Dungeon

Forward Ports on Your Router for Darkest Dungeon

You can help improve your online multiplayer connections in Darkest Dungeon by forwarding some ports in your router.

Read More
Thumbnail for For Honor

For Honor Port Forwarding

Help improve your online connections and make connecting with others easier in For Honor by forwarding some ports.

Read More
Thumbnail for Chicory: A Colorful Tale

Forwarding Ports for Chicory: A Colorful Tale on Your Router.

You can forward some ports in your router to help improve online connections for Chicory: A Colorful Tale.

Read More
Thumbnail for Wave Break

Create a Port Forward for Wave Break in your Router

Forwarding some ports for Wave Break can make it easier to play with others and help improve your connections.

Read More
Thumbnail for Knockout City

Forwarding Ports for Knockout City on Your Router.

Help improve your online connections in Knockout City and connect with more players by forwarding some ports.

Read More
Thumbnail for Dying Light 2: Stay Human

Port Forwarding for Dying Light 2: Stay Human

You can connect with friends more easily and help improve connections in Dying Light 2: Stay Human by forwarding some ports.

Read More
Thumbnail for Far Cry 6

Creating a Port Forward in Your Router for Far Cry 6

You can help improve your online experiences and more easily connect with others in Far Cry 6 by forwarding some ports.

Read More