Here is the full list of all 25 Containment: The Zombie Puzzler achievements.
Kill 5,000 Zombies
Kill 10,000 Zombies
Open 20 vehicles.
Kill 1,000 Survivors
Kill 5 non-Zombies with a single grenade.
Kill 8 or more survivors with a single air strike.
Shoot 10 zombies offmap with Sniper items.
Complete all 20 blocks in Town Hall Survival
Complete all 10 blocks in Graveyard Survival.
Surround 20 zombies at once.
Surround 15 zombies at once.
Kill 500 Survivors
Complete the campaign
Complete Act 3 by defeating the boss without the forklift.
Kill 1,000 Zombies
Complete Act 2
Kill 500 Zombies
Watch America's Fighting Dinosaur at the drive-in.
Kill 100 Survivors
Complete Act 1
Kill 10 Survivors
Apply the zombie cure to one patient. Congratulations. You created super zombies.
Kill 100 Zombies
Witness the glory of aggressive fonts!
Kill the first zombie in the Campaign.