Leave Ellie hanging after a job well done

Fully upgrade a weapon

While in stealth, turn off the spotlight generator in Pittsburgh

Find a comic

Find one training manual

Reach reputation level 5 with ‘Engineers’

Completed 1 Survey Drone, 1 Black Box, 1 Relic Ruin, 1 Vista Point, and 1 Signal Tower.

Upgraded the Food Pouch, Potion Pouch, Resource Pouch, Trap Pouch, and any ammo pouch at least once.

Reached player level 50.

Killed at least one of every type of Combat machine.

Obtained 1 weapon from every weapon class.

Put an end to the Zenith threat and discovered Nemesis.

Equipped a weapon of any tier with 2 coils.