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