Here is the full list of all 134 Prime World: Defenders achievements.
Save 275 Prime by the end of the level.
Build 10000 towers.
Win 500 games.
Complete the level without using towers which target both air and ground enemies.
Complete the level without using towers which deal area of effect damage (splash, cone, chain).
Save 300 Prime by the end of the level.
Complete the level without using utility towers (Prime injector, Slow, Stun, Accursed and Detector towers)
Inflict 50000 damage using magic.
Build 30 towers during battle.
Save 200 Prime by the end of the level.
Complete a level without detecting invisible enemies.
Complete the level building less than 9 towers.
Complete this level with 1 life.
Complete the level without using any magic.
Save 250 Prime by the end of the level.
Save 400 Prime by the end of the level.
Summon Next Wave 10 times in a battle.
Summon Next Wave 200 times in a battle.
Summon Next Wave 8 times in a battle.
Complete the level without upgrading a tower.
Upgrade 10 towers to level 3.
Complete the level with 1 life.
Upgrade 1500 towers.
Build 2500 towers.
Save 350 Prime by the end of the level.
Complete the level without using magic.
Summon Next Wave 10 times during battle.
Complete the level without using towers which range more then 300.
Complete the level without using towers which target only air enemies.
Complete the level building less than 7 towers.
Complete this level using magic no more than 3 times.
Sell 10 towers in one battle.
Sell 100 towers.
Summon Next Wave 5 times in a battle.
Use magic 12 times during the battle.
Win 20 story levels on 3 stars.
Complete the level building less than 11 towers.
Save 150 Prime by the end of the level.
Complete the level without using a Stone Tower.
Upgrade 5 towers to level 3.
Save 225 Prime by the end of the level.
Save 175 Prime by the end of the level.
Inflict 5000 damage using magic.
Win 100 games.
Reach level 20.
Use magic 500 times.
Summon Next Wave 5 times in the battle.
Complete the level without using the Siege Tower.
Kill 20000 monsters.
Complete the level without using the Fire Tower.
Destroy all totems in the battle.
Build 800 towers.
Save 180 Prime by the end of the level.
Reach level 15.
Win 10 story levels on 3 stars.
Inflict 200000 damage using magic.
Destroy 200 totems.
Upgrade 300 towers.
Use magic 100 times.
Summon Next Wave 300 times.
Kill 8000 monsters.
Complete the level without using Magic light.
Reach level 10.
Complete the level without using the Wooden Tower.
Destroy 7 totems.
Complete this level with under 13 towers.
Inflict 20000 damage using magic.
Upgrade 5 towers to level 2.
Win 5 story levels on 3 stars.
Win 25 games.
Use magic 20 times.
Upgrade 50 towers.
Kill 3000 monsters.
Build 200 towers.
Summon Next Wave 50 times.
Destroy 40 totems.
Reach level 5.
Sell 3 towers in one battle.
Complete the level without using more than 1 Fire Tower.
Destroy all totems during this battle.
Complete this level without using more than 1 Slingshot.
Kill 500 monsters.
Win 5 games.
Complete the level using no more than 1 Poison Tower.
Summon Next Wave 3 times in a battle.
Summon Next Wave 5 times.
Use magic 5 times during the battle.
Save 100 Prime by the end of the level.