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