Here is the full list of all 315 Defense Clicker achievements.
KILL 100.000 FLYING GROUND ENEMIES
KILL 100 LORDS OF SHADES
KILL 100 GODS OF SPAWN
KILL 50 GODS OF SPAWN
KILL 50 LORDS OF SHADES
YOU ARE CRAZY!
KILL IT! I MUST KILL IT!
KILL 100.000 MINIONS
IS THIS REALLY USEFUL?
TIME? I? NO!
O.o
KILL 50.000 MINIONS
KILL A TOTAL OF 100.000.000 ENEMIES
KILL 25.000 MINIONS
KILL A TOTAL OF 50.000.000 ENEMIES
KILLED 500.000 SKELETONS
KILLED 500.000 ZOMBIES
KILLED 250.000 ZOMBIES
KILLED 500.000 POISON SLIMES
KILLED 250.000 SKELETONS
KILLED 100.000 SKELETONS
KILLED 100.000 ZOMBIES
KILLED 250.000 POISON SLIMES
KILLED 500.000 GROUND DIGGERS
BUILT A TOTAL OF 10.000 TOWERS
CLICK ENEMIES 10.000.000 TIMES
KILL 10.000 FLYING GROUND ENEMIES
KILL A TOTAL OF 25.000.000 ENEMIES
KILLED 500.000 POISON PLANTS
KILLED 100.000 POISON SLIMES
KILLED 500.000 TANK ORCS
CLICK ENEMIES 5.000.000 TIMES
KILLED 500.000 GHOSTS
KILLED 500.000 MIMICS
KILLED 10.000 SKELETONS
KILLED 250.000 POISON PLANTS
KILLED 10.000 ZOMBIES
KILLED 500.000 MAGICIAN SPAWNERS
KILLED 500.000 ICE PHOENIX
KILLED 500.000 LITTLE GHOSTS
KILLED 250.000 TANK ORCS
CLICK ENEMIES 2.500.000 TIMES
KILLED 100.000 POISON PLANTS
KILLED 250.000 GHOSTS
KILL 25 LORDS OF SHADES
KILLED 250.000 GROUND DIGGERS
KILL 25 GODS OF SPAWN
KILLED 250.000 MIMICS
KILLED 250.000 MAGICIAN SPAWNERS
KILLED 250.000 ICE PHOENIX
KILLED 10.000 POISON SLIMES
KILLED 250.000 LITTLE GHOSTS
KILLED 100.000 TANK ORCS
KILLED 100.000 GHOSTS
KILLED 100.000 MIMICS
KILLED 100.000 GROUND DIGGERS
KILLED 100.000 MAGICIAN SPAWNERS
KILLED 100.000 ICE PHOENIX
KILLED 100.000 LITTLE GHOSTS
KILLED 10.000 POISON PLANTS
KILLED 10.000 TANK ORCS
KILLED 10.000 GHOSTS
KILLED 10.000 GROUND DIGGERS
KILLED 10.000 MIMICS
KILLED 10.000 LITTLE GHOSTS
KILLED 10.000 MAGICIAN SPAWNERS
KILLED 10.000 ICE PHOENIX
KILLED A GROUND DIGGER
KILLED A LITTLE GHOST
KILLED A ICE PHOENIX
KILLED A MAGICIAN SPAWNER
KILLED A SKELETON
KILLED A ZOMBIE
KILLED A MIMIC
KILLED A BIG GHOST
KILLED A POISON PLANT
KILLED A POISON_SLIME
KILLED A TANK ORC
KILL 10.000 MINIONS
CLICK ENEMIES 1.000.000 TIMES
KILL A TOTAL OF 10.000.000 ENEMIES
KILL 5000 MINIONS
KILL 10 LORDS OF SHADES
KILL 2500 MINIONS
CLICK ENEMIES 500.000 TIMES
KILL 1000 FLYING GROUND ENEMIES
KILL 10 GODS OF SPAWN
CLICK ENEMIES 250.000 TIMES
CREDITS
CLICK ENEMIES 100.000 TIMES
CLICK ENEMIES 50.000 TIMES
KILL 500 MINIONS
START GAME
KILL 100 MINIONS
KILL 100 FLYING GROUND ENEMIES
KILL A TOTAL OF 1.000.000 GREY GOLEMS
KILL A TOTAL OF 5.000.000 ENEMIES
KILL A FLYING GROUND ENEMY
BUILT A TOTAL OF 5.000 TOWERS
KILL 1 GOD OF SPAWN
KILL 1 LORD OF SHADES
KILL 1 MINION
CLICK ENEMIES 10.000 TIMES
KILL A TOTAL OF 2.500.000 ENEMIES
BUILT A TOTAL OF 2.500 TOWERS
BUILT A TOTAL OF 1.000 TOWERS
UPGRADE THE GOLD STORAGE TO LVL 100
UPGRADE THE GOLD STORAGE TO LVL 75
KILL A TOTAL OF 1.000.000 ENEMIES
UPGRADE THE GOLD STORAGE TO LVL 50
UNLOCK THE AUTOUPGRADER FOR STORAGES
UNLOCK THE AUTOUPGRADER FOR TOWER MAXLVLS
UPGRADE THE GOLD STORAGE TO LVL 25
BUILT A TOTAL OF 500 TOWERS
BUILT A TOTAL OF 250 TOWERS
UPGRADE THE GOLD STORAGE TO LVL 10
KILL A TOTAL OF 100.000 ENEMIES
BUILT A TOTAL OF 100 TOWERS
KILL YOUR FIRST BAT
KILL YOUR FIRST TREANT
KILL YOUR FIRST BROWN BIRD
KILL YOUR FIRST BOSS LICH
KILL A TOTAL OF 10.000 ENEMIES
KILL A TOTAL OF 5.000 ENEMIES
CLICK ENEMIES 1000 TIMES
KILL YOUR FIRST PHOENIX
UPGRADE THE GOLD STORAGE TO LVL 1
FIRST ACCOUNT LEVEL ACHIEVED
KILL A TOTAL OF 100 ENEMIES
KILL YOUR FIRST GREY GOLEM
CLICK AN ENEMY TO ATTACK IT