Here is the full list of all 27 Last Hope - there are Tower Defense achievements.
The reign of terror might be finally over!
You are the toughest zombie fighter out there!
End the reign of the Raider boss who attacked the camp.
Kill the dark hooded creature you've been hunting.
We've been looking everywhere for this!
Don't trust anyone who's acting too friendly.
If you've gotten poisoned, our medicine man can help you.
Bow before me zombies as I make the earth crumble.
Grandma and Grandpa, strike those zombies!
A lot of airplanes but no one to fly them.
Take control over the highway and get rid of the maggot puking trucker.
Force the Witch leave her crypt.
Gear up! No good can come by following this road.
It's now safe to take a swim and clean yourself up.
Who is in need of both firepower and healing?
Let the justice decide the fate of the zombies.
Equipped with homemade armor, mines and shoguns.
He is not only capable of acting in the shadows.
Take down the great white vulture roaming the sky.
Turn up the watts and fry the zombie brain circuits!
If a small turret won't work, try a big one!
Take out a target from far away, making them head pop!
Help the Chieftain to safely return to the village.
The Stone spirit has been summoned!
Slay the evil zombie gorilla attacking the village.
He is tall, handsome and ready to rock & roll!
Become the savior of the wasteland.