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