Acquire diamonds with your iron tools.

Construct a better pickaxe.

Attack and destroy a monster.

Construct one type of each tool (one pickaxe, one spade, one axe and one hoe).

Use planks and sticks to make a hoe.

Punch a tree until the block of wood pops out.

Complete the campaign on any difficulty.

Escape the Past.

Retrieve the dossier and the defector from Hue City.

Sabotage the Soviet space program.

Escape Vorkuta.

Reach rank 10 in Combat Training.

Earn all available Trophies for Modern Warfare® 3.