Xenotechnology is the most important category of finds in Aliens Dark Descent.
On this page of the guide, you’re free to also learnwhat are the uses of Xenotech.
Additionally, we prepareda complete list of secretsthat can be encountered during each of 12 story missions.
This will help you attain 100% of available Xenotech.
More on this topic can be found on a dedicated chapterBase Management.
#1 Dead Hills
Secret 1/2 - Chitin Kevlar Plates
Location: Chest inthe laboratoryonfloor 2.
Look for it south from Command Room in which you’ve downloaded the sector map.
Use: All squad membersgain 1 to Armor Points.
This is a passive upgrade and once researched, remains active indefinitely.
Secret 2/2 - Extraction machine
Location:Queen’s Lairin the mine.
After defeating the queen,search her corpse.
The action yields xenosamples and the collectible itself.
Use: you’re free to nowsave marines caught by facehuggers.
This is very useful as facehuggers are encountered quite often.
After defeating the queen,search her corpse.
You will obtain a Xenosample and a blueprint.
Action:Delay your squad being detected by xenomorphs by 10%.
It might slightly help you in completing missions without alerting monsters frequently.
After dealing with the boss and a group of synthetic enemies,search the Queen’s body.
You will acquire a Xenosample and the secret.
Action:Marines' armor becomes resistant to the acid splashing outfrom defeated xenomorphs.
This will help you avoid extra damage during close combat and fights at a short distance.
You have to visit the room from the picture locatednext to the Laboratory.
This upgrade can make your mines deadlier.
Secret 2/2 - Soothing Serum
Location:Queen’s lairon Basement 2 floor.
You will acquire a Xenosample and the secret.
Action:Improved performance of Naproleve, i.e.
the medication used to lower the marines' stress levels.
It can nowreduce stress by up to 150 points(instead of the default 100 points).
#7 Montero
Secret 1/1 - Hive Tranquilizer
Location:Chest at Deck B level.
It is in the room north from the Medbay.
you’re able to pass this room on the way to the western bridge.
#8 Extraction
Secret 1/2 - Aerial Xenotoxin system
Location:Chest at Basement 1 floor.
During the search for Cassandra, you must check the small room from the picture.
Action:Reduces the Infestation on the planet by 1.
Lowering the Infestation on the planet can decrease the number of Xenomorphs encountered during deployments.
Secret 2/2 - Hive Jammer
Location:Alien Queen’s Lair at Basement 1.
Action:Shortens the duration of hunt by 15%.
The hunt phase starts after the hive detects the unit.
Since hunt now ends faster, the upgrade reduces the risk of increasing the Alien’s aggressiveness earlier.
You will find it at the end of the street in the southern part of Jackson’s Landing.
You have to defeat the boss andcheck the Queen’s corpse.
You will acquire xenosamples and the last collectible of this throw in.
Action:Adds one health point to all marines in the unit.
This will improve their health and increase the chances of survival.
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