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Discovering New Alien Technology

Research Projects are the primary way in which new technology, equipment and facilities are unlocked in XCOM 2 and XCOM 2: War of the Chosen. Research projects include the study and reverse-engineering of recovered alien technologies and autopsies on alien and ADVENT corpses. In War of the Chosen, Breakthroughs and Inspirations may occur periodically with each discovery made.

Shadow Chamber Projects

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These research projects are only available when the Shadow Chamber is built.

Although accessed from a dedicated facility, Shadow Chamber Projects require Richard Tygan's full attention, putting standard research and autopsies on hold until they are completed. Once a Shadow Chamber Project is completed, normal research resumes where it left off.

* Alien Hunters DLC, War of the Chosen

Enemy Autopsies

These research projects depend on the acquisition of a corresponding enemy corpse during a mission. Most autopsy research times can be reduced to 0 (instant) after XCOM have gathered sufficient corpses of the corresponding enemy.

Autopsies in XCOM 2 and DLCs
Previous Current Next Corpses for instant completion per difficulty Items unlocked Other unlocks
R V C L
Alien Biotech ADVENT Officer Autopsy
  1. ADVENT MEC Breakdown
  2. ADVENT Shieldbearer Autopsy
  3. ADVENT Stun Lancer Autopsy
  4. ADVENT Trooper Autopsy
  5. ADVENT Turret Breakdown
  6. ADVENT Priest Autopsy
  7. ADVENT Purifier Autopsy
Proving Ground
Andromedon Autopsy 5 5 5 8 Proximity Mine
Archon Autopsy 5 5 5 8 Fusion Blade, Fusion Axe*, Fusion Ripjack
Berserker Autopsy 6 6 6 9 Overdrive Serum
Chryssalid Autopsy 15 15 15 20 Hellweave
Faceless Autopsy 3 4 4 7 Mimic Beacon
Gatekeeper Autopsy 3 6 6 9 Alien Psi Amp
Muton Autopsy Plasma Grenade 5 6 6 9 Advanced Grenade Launcher
Sectoid Autopsy Psionics 6 6 6 10 Mindshield
Sectopod Breakdown 3 6 6 9 GREMLIN Mark III
Viper Autopsy Battlefield Medicine 5 5 5 8
Archon King Autopsy* Icarus Armor*
Berserker Queen Autopsy* R.A.G.E. Suit*
Viper King Autopsy* Serpent Suit*
Spectre Autopsy 4 6 6 8 Refraction Field
The Lost Autopsy 65 80 80 120 Ultrasonic Lure
ADVENT Officer Autopsy ADVENT MEC Breakdown Bluescreen Protocol 3 4 4 7 GREMLIN Mark II Elerium (also requires Gauss Weapons and Plated Armor)
ADVENT Shieldbearer Autopsy Experimental Armor 4 4 4 7
ADVENT Stun Lancer Autopsy 4 6 6 9 Arc Blade, Ionic Axe*, Ionic Ripjack
ADVENT Trooper Autopsy 10 15 15 25 Battle Scanner
ADVENT Turret Breakdown 3 3 3 6 Defense Matrix
ADVENT Priest Autopsy 6 8 8 12 Sustaining Sphere
ADVENT Purifier Autopsy 4 6 6 9 Reinforced Underlay

* Alien Hunters DLC, War of the Chosen

Research Tree Diagram (Vanilla XCOM 2)

ResearchTreeDiagramV7
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