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