Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Child Of Destiny (250 points)	Complete the game.
Alchemist (40 points)	Find at least 3 Elixers of the Witch.
Pantalaimon (100 points)	Reach the North Camp.
Symbol Apprentice (20 points)	Collect at least 50 Alethiometer Symbol Meanings.
Symbol Adept (50 points)	Collect at least 80 Alethiometer Symbol Meanings.
Symbol Master (150 points)	Collect all 108 Alethiometer Symbol Meanings.
Shaman Suppressor (10 points)	Defeat the Shaman Boss.
Tank Destroyer (30 points)	Defeat the Tranq Tank Boss.
Witch Dominator (30 points)	Defeat Queen Vala.
Samoyed Ruler (30 points)	Defeat the Samoyed Hunter Boss.
Fire King (30 points)	Defeat the Flame Thrower Boss.
King Of Svalbard (30 points)	Defeat King zRagnar.
Zeppelin Champion (30 points)	Defeat the Zeppelin.
Inquisitive (50 points)	Answer at least 30 Alethiometer Questions.
Lyra Belacqua (100 points)	Answer all 48 Alethiometer Questions.
Lyra Silvertongue (50 points)	Complete at least 25 Deception Games with "Success" rating.