Aliens: Dark Descent Guide – Full Walkthrough

A complete walkthrough of Aliens: Dark Descent.

Posted By | On 20th, Jul. 2023

Aliens Dark Descent screenshot

Aliens: Dark Descent delves into the dark abyss of horrific exploration and nerve-wracking decision making. You’d expect that people would get tired of Xenomorphs, which first debuted over 30 years ago, but the overly positive reviews on Steam beg to differ. However, if you’re new to the franchise, familiarizing yourself with the game can be challenging. So we’ve put together this walkthrough to help you enjoy the newest harbinger of horrors.

Aliens Dark: Descent Chapter wise Walkthrough

Prologue

The Prologue is an introduction to Aliens: Dark Descent. There is no plot, nor are there any collectibles in this chater. It’s a simple stage where you learn the skills needed to overcome the upcoming chapters.

Dead Hills

  • Primary Objectives – 14
  • Datapads – 19
  • Materials – 300
  • Xenotech – 2

Dead Hills is the first mission after the Prologue. You are to visit one of the alien-filled colonies and rescue the civilians from danger. The missions aren’t too difficult and do a great job of walking you through the basic mechanics. Bring everything you gathered during the Prologue.

Berkley’s Docks

  • Primary Objectives – 6
  • Secondary Objectives – 5
  • Datapads – 11
  • Materials – 160
  • Xenotech – 1

In this chapter, you have to liberate hostages from a group of enemies and find a comm repeater. Berkeley’s Docks also has a new enemy and a Queen right at the end. The chapter is quite challenging, so bring all marines that aren’t wounded/tired. Brining a Tecker also helps, as their hacking skills make short work of all the locked doors. If possible, bring along a sentry gun and any unlocked Xenotechs, as you’ll be facing the Queen.

Harper’s Hell

  • Primary Objectives – 7
  • Secondary Objectives – 1
  • Datapads – 10
  • Materials – 210

Harper’s Hell is a difficult rescue mission that will demand a lot from you and your team. You’ll have to navigate past winding corridors and fight your way through hordes of Aliens, and a new enemy, the Guardian. Bring along a Medic and a Sergeant to increase your odds of completing the chapter. There isn’t much to choose from since this is still the early game, so bring every resource you’ve unlocked so far.

Otago’s Last Stand

  • Primary Objectives – 4
  • Datapads – 1
  • Materials – 70

Otago is a short but challenging chapter. In it, a swarm of Xenomorphs is attacking Otago, and your squad is responsible for holding them off until you have a chance to bomb the caves. To maximize your chances, try to bring a Gunner with the M56 upgrade that lets them deploy Smart Gun as a sentry turret. The rest of the squad can consist of random marines. Note that the short duration of the chapter makes it ideal for training new Marines.

Nuclear Protocol

  • Primary Objectives – 5
  • Secondary Objectives – 2
  • Datapads – 17
  • Materials – 120
  • Xenotech – 1

The planet is on a path of destruction thanks to the Cerberus Protocol. Your squad is doomed if they don’t stop the nukes that are threatening the planet’s existence. Deactivating Cerberus won’t be easy, as you’ll have to burn through a horde of enemies. Bring your best, fully geared gunners for this mission. We also advise that you equip them with an Incinerator and a Grenade Launcher.

Atmospheric Nightmare

  • Primary Objectives – 4
  • Secondary Objectives – 6
  • Datapads – 22
  • Materials – 300
  • Xenotech – 2

After failing to deactivate the Cerberus Protocol in the previous mission, it’s time to abandon ship and escape the planet in one piece. The mission demands two squads with a few key marines. The first team must have a Tecker, followed by Sentry Guns and a Sergeant in both teams.

The Montero

  • Primary Objectives – 2
  • Secondary Objectives – 2
  • Datapads – 10
  • Materials – 220
  • Xenotech – 1

Montero will push your team’s positioning and decision making skills to the limit. The area is small and filled with enemies, and in order to avoid a firefight throughout the mission, you’ll have to be stealthy. Bring a Sniper equipped Recon Marine with the Sniper Upgrade and a couple of mines to distract the enemies and kill them quietly from a distance. A Radio Backpack upgrade on your sergeant increases the maximum command points by 1. Similarly, two marines with the Team Spirit attribute also increase the reserve command points by 1, so bring them along.

Extraction

  • Primary Objectives – 6
  • Datapads – 4
  • Materials – 150
  • Xenotech – 2

In Extraction, you’ll have to rescue Harper’s Daughter from Tantalus. This is a comparatively short mission, but the area is filled with tight corridors and encrypted doors. Bring a Tecker to make short work of the locks and an Incinerator to fight the enemies in close quarters.

Facing the Beast

  • Primary Objectives – 17

It’s a game of cat and mouse. Navigate Hayes through the area and avoid confronting the alien. In the end, you’ll have to kill it using the power core (lure it close to the core and activate it).

The Pryce of Deception

  • Primary Objectives – 11
  • Secondary Objectives – 3
  • Datapads – 14
  • Materials – 220
  • Xenotech – 1

Your goal is to enter the Weyland-Yutani headquarters and find Cassandra’s location by interrogating Dr. Pryce. Any team composition usually works, but bringing marines with at least one incinerator, sniper rifle, and at least two shotguns will make clearing out the chapter a lot easier.

Olduvai Dig Site

  • Primary Objectives – 4
  • Secondary Objectives – 1
  • Datapads – 8
  • Materials – 100

The Darwin Base is located within the Tromonite mines of Olduvai. You’ll have to visit it and Dave Cassandra from the Xenomorph Queen. Most of the mission involves running away from the monster, so practice your maneuvering skills and bring a bunch of weapons to quickly kill off any stragglers that could jeopardize the mission.

Redemption

  • Primary Objectives – 1

On this mission, there is only one objective. Save Cassandra and escort her out of the dig site. There isn’t much to consider. Simply equip a shotgun, as you’ll be chased by Xenomorphs. They can quickly close the distance, and if ignored, they can take down Cassandra quite quickly.

Endings:

Aliens: Dark Descent has two different endings: Escape and Annihilation.


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