Here is the full list of all 45 Defence War achievements.
Survive for 1 Minute
Survive for 3 Minutes
Survive for 5 Minutes
Survive for 7 Minutes
Survive for 10 Minutes
Extra starting cash!?
Welcome to Defence War
Completed the Tutorial
Submitted your score to the leaderboards
Viewed the Leaderboards
Got a score of 500
Got a score of 1000
Got a score of 2000
Got a score of 4000
Got a score of 5000
Got a score of 7000
Got a score of 8000
Got a score of 10000
Got a score of 12000
Got a score of 15000
Completed the tutorial (level 1)
Completed level 2
Completed level 3
Completed level 4
Completed level 5
Completed level 6
Completed level 7
Killed the first Goliath unit
Killed the second Goliath unit
Killed the third Goliath unit
Build a money magnet
Killed an enemy with a Mine
Build a boss turret
Completed all the Story missions.