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