| Achievement | How to unlock
|
|---|
| A Complete Nightmare | Complete the campaign on Nightmare difficulty.
|
| Been There, Done That | Find all Discoveries and Locations in the city.
|
| Break On Through | Complete Act 1.
|
| Change Of Heart | Complete Act 3.
|
| Clear Skies | Take down the Rifter dome over the city.
|
| Déjà Vu | Complete the prologue.
|
| Endless Possibilities | Find all Weapon Mods in the city.
|
| Key to the City | Earn a Gold Tier Thorn Stash key.
|
| Overstuffed Pockets | Find all Weapons and Gear in the city.
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| The High Ground | Complete Act 2.
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| What's Behind Door #1 | Gain access to your first Thorn Stash.
|