Here are the nine secret achievements you can unlock in Warhammer 40,000: Space Marine for the Xbox 360.
Check out my other guide if you’re looking for the full list of unlockable achievements in Warhammer 40,000: Space Marine.
But I Am Finished With You (10) – Kill Warboss Grimskull once and for all
Command Squad (10) – Reunite with your Space Marine brothers
Die, Heretics (20) – Kill 50 Chaos Space Marines
Hammer of the Imperium (10) – Use the Invictus to destroy the Orbital Spire
Here, At the End of All Things (20) – Kill Daemon Prince Nemeroth
Into the Breach (10) – Fight your way to the crashed Rok
Silence the Cannon (10) – Destroy the Orbital Gun
We Take Our Chances (10) – Fire the Psychic Scourge
You Must Carry It (5) – Retrieve the Power Source