Prepare the Beacon

To the Lower Levels

Throw a grenade into a Lurker's mouth

Defeat Husk Cluster

Defeat Security Sentinel

Defeat Drowned Husk

Defeat Brood Keeper

Defeat Husk Centipede

Defeat Radiation Host

Defeat Failed Experiment

Defeat Morgue Dweller

Find the Support Gun

Defeat Fractured Being

Complete the game - Secret Ending

Upgrade the Scanner

Override the SCU in Factory West

Override the SCU in the Waterworks

Override the SCU in the Containment Sector

Reboot the System Protocols

Activate the Reactor Core

Defeat Husk Centipede a second time

Drain the Reactor pool

Upgrade the Particle Disruptor

Use the experimental Restoration Pod

Clear all Lockdown Encounters

Destroy all Parasitic Growths