Here is the full list of all 134 Prime World: Defenders achievements.
Build 10000 towers.
Win 500 games.
Summon Next Wave 200 times in a battle.
Complete the level without using utility towers (Prime injector, Slow, Stun, Accursed and Detector towers)
Complete the level without using any magic.
Summon Next Wave 10 times in a battle.
Complete this level with 1 life.
Save 400 Prime by the end of the level.
Complete a level without detecting invisible enemies.
Complete the level building less than 9 towers.
Save 200 Prime by the end of the level.
Complete the level without using towers which target both air and ground enemies.
Save 250 Prime by the end of the level.
Build 30 towers during battle.
Inflict 50000 damage using magic.
Upgrade 10 towers to level 3.
Summon Next Wave 8 times in a battle.
Complete the level without upgrading a tower.
Save 350 Prime by the end of the level.
Complete the level without using towers which deal area of effect damage (splash, cone, chain).
Complete the level without using towers which range more then 300.
Save 300 Prime by the end of the level.
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.
Summon Next Wave 5 times in a battle.
Use magic 12 times during the battle.
Complete the level without using magic.
Summon Next Wave 10 times during battle.
Complete the level with 1 life.
Win 20 story levels on 3 stars.
Upgrade 5 towers to level 3.
Save 225 Prime by the end of the level.
Save 180 Prime by the end of the level.
Upgrade 1500 towers.
Sell 100 towers.
Build 2500 towers.
Save 275 Prime by the end of the level.
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.
Use magic 500 times.
Win 100 games.
Save 175 Prime by the end of the level.
Inflict 5000 damage using magic.
Summon Next Wave 5 times in the battle.
Reach level 20.
Complete the level without using the Siege Tower.
Build 800 towers.
Inflict 200000 damage using magic.
Complete the level without using the Fire Tower.
Destroy 200 totems.
Kill 20000 monsters.
Destroy all totems in the battle.
Win 10 story levels on 3 stars.
Reach level 15.
Complete the level without using Magic light.
Upgrade 300 towers.
Complete this level without using more than 1 Slingshot.
Kill 8000 monsters.
Use magic 100 times.
Reach level 10.
Complete this level with under 13 towers.
Summon Next Wave 300 times.
Win 25 games.
Complete the level without using the Wooden Tower.
Destroy 7 totems.
Build 200 towers.
Upgrade 50 towers.
Destroy 40 totems.
Kill 3000 monsters.
Reach level 5.
Inflict 20000 damage using magic.
Upgrade 5 towers to level 2.
Win 5 story levels on 3 stars.
Summon Next Wave 50 times.
Sell 3 towers in one battle.
Complete the level without using more than 1 Fire Tower.
Destroy all totems during this battle.
Kill 500 monsters.
Use magic 20 times.
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.