Unlockables - Complete each achievement to get the allotted gamerscore.

Alchemist (40) Find at least 3 Elixers of the Witch.

Child Of Destiny (250) Complete the game.

Fire King (30) Defeat the Flame Thrower Boss.

Inquisitive (50) Answer at least 30 Alethiometer Questions.

King Of Svalbard (30) Defeat King Ragnar.

Lyra Belacqua (100) Answer all 48 Alethiometer Questions.
Lyra Silvertongue (50) Complete at least 25 Deception Games with "Success" rating.

Pantalaimon (100) Reach the North Camp.

Samoyed Ruler (30) Defeat the Samoyed Hunter Boss.
Shaman Suppressor (10) Defeat the Shaman Boss.
Symbol Adept (50) Collect at least 80 Alethiometer Symbol Meanings.
Symbol Apprentice (20) Collect at least 50 Alethiometer Symbol Meanings.
Symbol Master (150) Collect all 108 Alethiometer Symbol Meanings.

Tank Destroyer (30) Defeat the Tranq Tank Boss.

Witch Dominator (30) Defeat Queen Vala.

Zeppelin Champion (30) Defeat the Zeppelin.