Corrupted Horizons

Corrupted Horizons is DLC 4. This DLC adds one more soldier class: Mutoids, one new mechanic: Corruption, one new enemy type: Acheron, three new story missions and few pieces of research. Corrupted Horizons DLC starts when Pandoran Colonies research is finished.

Walkthrough

Research Pandoran Colonies

This research is unlocked when player reveals and destroys one Pandoran Colony (it can be any type of colony). Link to this research: Pandoran Colonies research.

After this research is finished cinematics 1 (CH Corruption Breach) are played: Hello? Anyone? This is station sigma-seven-one. We need immediate evacuation. I repeat we need immediate evacuation. The facility has been compromised. The specimen two escaped containment chamber and is roaming throughout the lab! You need to get us out of here and purge the entire facility! The specimen must not be allowed to escape into the open! if it does... Its has released strain variant. I am initiating self-destruct procedure. The strain must not....

Call for help: We have received an urgent distress call from an unknown location, warning of contagion breach. We had better look into it. Site added to Geoscape: An unexpected emergency.

Mission 1: An unexpected emergency

Mission briefing: According to the distress call, unknown Pandoran specimens are attempting to escape, bringing with them an unknown virus strain. Our goal is to prevent that from happening and secure the lab to prevent the virus from speading.

Mission: On this mission players has to secure the area and reboot security system. Mission is full of turrets. Turrets can be taken under phoenix control one by one by moving soldier next to it or all of them at once by activating security system.

After mission: