Kill 4 Enemies with 1 Explosion

Purchase any house.

Purchase a Grove Street tattoo.

Fail a mission.

Kill 30 Enemies with the RPG-7

Find 80 Treasures

Kill 50 zombies

Kill your first zombie with a Molotov Cocktail

First Headshot with a gun

Make it to the Safehouse

Kill 10 enemies while attacking or defending a control point in Supremacy

Defeat both the Millennium Falcon and Slave I

Finish all of the missions at Level 30 on the Hard difficulty.