Kill all the soldiers of the Epilogue before they spawn.

Awarded when you complete your 1st Freeburn Challenge

Reached Driver Level 20

Multi-kill -- 2 enemies with 1 Stalker-Pattern bolter shot.

Reunite with your Space Marine brothers.

Destroy at least 20 bottles of Nom Juice in the Single Player Campaign

Activate all of the spikes at once in the Spider Tomb spike field

Earn the top score objective in any level

Kill 3 enemies with one bomb

Jump from Totec's shield while he is jumping

Collect all relics, artifacts and weapons

Vanquish the summoned beast in the watery depths

Completed all missions in Secret Armory