Here is the full list of all 62 Ravaged Zombie Apocalypse achievements.
50 Kills: AN94
Complete all maps once solo: Medium
Finished Chasm on Hard
Finished Dustbowl on Hard
50 Kills: Uzi
50 Kills: MP5
Save 5 resources in one round
Kill an enemy from the gyrocopter or little bird
Have the highest KDR in the match
Highest point total in the match
Kill 5 enemies in a row with the spiked bat
Kill an enemy with the spiked bat
Kill an enemy with the soda bomb
Avenge your last death
First kill of the match
100 Kills: Sledgehammer
500 Zombie Headshots
100 Kills: Crowbar
50 Kills: SCAR- L
100 Kills: Harpoon Gun
Fall at least 500 feet
Get the Resource to 10 Checkpoints
Get the Resource to Final Checkpoint
Finished Canyon on Hard
Collect 50 Gas Cans
50 Kills: Chainsaw
Complete all maps once solo: Easy
Escaped Asylum
Escaped Liberty
Escaped Dustbowl
Escaped Chasm
Escaped Canyon
Kill 3 or more zombies with a soda bomb or mortar round
At least 30 kills in a match
Capture the resource 3 times in one match
Kill 25 enemies in a row without dying
Shoot an enemy where it counts
Most headhsots in a match
Kill five enemies at once
Kill 10 enemies in a row without dying
Boom!
Kill four enemies at once
Winning always feels good
First death of the match
Kill two enemies at once
Kill three enemies at once
Jump over 100 feet in the air with a vehicle
Most assists in the match
10 nut shots in one match
Run someone down with the vehicle
Destroy 5 enemy vehicles
Kill an enemy with an explosive from 400 yards or more
200 Kills: 50cal HMG
100 Zombies Ran Over
Complete All maps once with 2 or more players: Medium
Complete All maps once with 2 or more players: Easy
Complete All maps once with 2 or more players: Hard
Complete all maps once solo: Hard
Finish each map 5 times
Finished Asylum on Hard
Finished Liberty on Hard