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