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