Take down a street performer who is imitating a statue.

Defeat an enemy by destroying the object they stand on.

Bring 20 Prisoners to the Church in single player

Destroy all Mining Carts in the Kaabe Mountains in single player

Return all the Relics to the Museum in single player

Pilot a helicopter in single player

Play each class in Multiplayer.

Kill 50 Chaos Space Marines.

Get 250 Headshots.

Kill Warboss Grimskull once and for all.

Fire the Psychic Scourge.

Kill 75 enemies using Executions.