Attack and destroy a monster.

Construct a furnace out of eight cobblestone blocks.

Use planks and sticks to make a pickaxe.

Craft a workbench with four blocks of wooden planks.

Punch a tree until the block of wood pops out.

Sneak into the underground base without setting off the alarm above ground during "Black Project".

Buy 8 meals from Cluckin' Bell throughout the game.

Complete "Curious Tales from Blackwater, USA" Survivor Mission.

Complete "The Green Sabre".

Complete "Big Smoke".

Complete all assassination contracts.

Complete the "Publicity Tour" mission.

Complete the "Trojan Voodoo" mission.