Unlock 1st piece of Crucible content
Obtain an Epic quality weapon
Complete "Snape's Tears"
Complete "Fiendfyre Frenzy"
Create your own Crucible level
Complete the Tutorial
Complete "Burning Bridges"
Unlocked on hitting 50% game completion (Single Player Only)
Complete "Back to School"
Complete "The Thief's Downfall"
Complete the campaign on any difficulty.
Rescue the Russian President. Complete "Down the Rabbit Hole" on any difficulty.
Find the girl. Complete "Scorched Earth" on any difficulty.
Discover Makarov's next move. Complete "Stronghold" on any difficulty.
Escape the city. Complete "Blood Brothers" on any difficulty.
Reach the church. Complete "Eye of the Storm" on any difficulty.
Escape Paris with Volk. Complete "Iron Lady" on any difficulty.
Track down Volk. Complete "Bag and Drag" on any difficulty.
Complete Year 7
Complete "DOBBY!"
Assault the shipping company. Complete "Return to Sender" on any difficulty.
Save the US Vice President. Complete "Goalpost" on any difficulty.
Make it to Westminster. Complete "Mind the Gap" on any difficulty.
Infiltrate the village. Complete "Back on the Grid" on any difficulty.
Defend the Russian President. Complete "Turbulence" on any difficulty.
Escape the mountain safe house. Complete "Persona Non Grata" on any difficulty.
Take back New York Harbor. Complete "Hunter Killer" on any difficulty.
Destroy the Jamming Tower. Complete "Black Tuesday" on any difficulty.
Start the Single Player Campaign on any difficulty.
Lunged to 100 enemies
Continue playing to unlock this secret achievement.
Killed 100 enemies
You found a mysterious hatch!
Lunged to 25 enemies
Stop the horde using only the Sunflower, Wallnut, and Chomper on any level
Revive yourself
Complete "Dragonslayer"
Complete "The Fallen"
Complete "Elder Knowledge"
Complete "Alduin's Wall"
Reach Level 50
Complete "Hail Sithis!"
Capture Solitude or Windhelm
Capture Fort Sungard or Fort Greenwall
Complete "Diplomatic Immunity"
Have 100,000 gold
Complete "Darkness Returns"
Join the Thieves Guild
Complete "Bound Until Death"
Absorb 20 dragon souls