Crusader Kings II achievements

As a steppe horde, have a population of 150 000.

Build 3 fully upgraded silk road trade posts.

Be simultaneously at war with the Aztecs and the Mongols

As an assassin, assassinate a Crusader King in the Holy land.

Play as a character with Wolf's Blood.

Starting in the "High Middle Ages" bookmark as the Abbasid Caliph, become independent and hold an empire title

Survive the End Times.

Rule the Empire of Rajastan and convert all its provinces to Islam

Your Republic maintains trade posts in 80 provinces

As an Anglo-Saxon or Saxon ruler, be king of both Saxony and England

As a Muslim, crush a Decadence revolt

Sacrifice another religion's head as a Norse or Aztec pagan