Here is the full list of all 10 Deadly Land achievements.
Survive the first wave
Survive until the Fifth Wave
Survive until the Twentieth Wave
Survive the first two waves without firing a gun
Kill 5 zombies during a game before they crawl completely out of the earth
Collect as many points until you have 10,000 in a row
Explore the map by opening all the doors
Kill 10 zombies simultaneously with just one grenade
Avoid all damage taken in the first 10 Waves
Stay the first 5 waves in the starting building