Here is the full list of all 21 Earn to Die 2 achievements.
Smash 2000 Zombies
Complete Level 1 in Story Mode
Complete Level 2 in Story Mode
Complete Level 3 in Story Mode
Complete Level 4 in Story Mode
Complete Level 5 in Story Mode
Complete Level 6 in Story Mode
Complete Level 7 in Story Mode
Complete Level 8 in Story Mode
Complete Level 9 in Story Mode
Complete Level 10 in Story Mode
Smash 10000 Zombies
Smash 20000 Zombies
Drive a car with only one wheel
Destroy your engine 20 times
Earn $1 billion cumulative cash
Complete 10 Missions in Missions Mode
Complete 20 Missions in Missions Mode
Complete 30 Missions in Missions Mode
Complete 40 Missions in Missions Mode
Complete 50 Missions in Missions Mode