Crusader Kings II achievements

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

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

Restore the Roman Empire

Kill your prey in the Epic Hunt

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

Have Rome, Jerusalem, Mecca and Medina within your Realm

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

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.

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

From Seclusion, kick someone out who had the plague.

Play a game all the way through from 1066 to 1453