Defeat 100 roamers.

Defeat 100 stalkers.

Defeat 100 runners.

Defeat 100 spitters.

Defeat 100 breeders.

Defeat 100 human enemies.

Defeat 1000 enemies total.

Use a grenade.

Execute 100 orders in command mode.

Find 50,000 scrap.

Find a rare item in a loot chest.

Get to the final floor of a dungeon.

Explore 50 dungeon floors.

Explore 100 dungeon floors.

Find 10 unique locations in hubs.

Find 25 unique locations in hubs.

Find 25 unique locations in hubs.

Defeat 50 enemies with assault rifles.

Defeat 50 enemies with shotguns.

Defeat 50 enemies with light machine guns.

Defeat 50 enemies with submachine guns.

Defeat 50 enemies with sidearms.

Defeat 50 enemies with rifles.

Equip a rare uniform, vest, and headgear piece.

Equip all four squad members with rare primary weapons.

Complete 20 quests.

Open 50 loot crates.

Scrap 50 weapons.

Fully upgrade a weapon.

Fully upgrade a headgear piece or a vest.

Fully upgrade a rare weapon.

Equip an attachment.

Name a gun.

Level a character to 15.

Level a character to 30.

Use fast travel.

Regroup with the survivors at the Harbor City Stadium.

Fight your way through downtown Harbor City.

Fight your way through Harbor City park.

Fight your way through the Harbor City's suburbs.

Fight your way through the Harbor City docks.