Crusader Kings II achievements

Send an invaluable artifact (Quality: 4 or 5) to the Emperor of China.

As a Patrician dynasty, build every upgrade for your Family Palace

Kill your prey in the Epic Hunt

Restore the Roman Empire

As an Orthodox Christian, hold Rome, Constantinople, Alexandria, Antioch and Jerusalem

Become One-Eyed, One-Legged and One-Handed.

Have Rome, Jerusalem, Mecca and Medina within your Realm

Have a character you used to play be proclaimed a saint and have their Saintly Bloodline running in your veins.

Request an Imperial Marriage from China.

From Seclusion, kick someone out who had the plague.

Play a game all the way through from 1066 to 1453

As a Viking, return home with 1,000 worth of loot