Here is the full list of all 134 Prime World: Defenders achievements.
Build 2500 towers.
Complete the level without using utility towers (Prime injector, Slow, Stun, Accursed and Detector towers)
Summon Next Wave 200 times in a battle.
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.
Sell 100 towers.
Build 30 towers during battle.
Upgrade 10 towers to level 3.
Save 250 Prime by the end of the level.
Inflict 50000 damage using magic.
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.
Complete the level with 1 life.
Use magic 500 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.
Upgrade 1500 towers.
Summon Next Wave 300 times.
Save 275 Prime by the end of the level.
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.
Inflict 200000 damage using magic.
Save 175 Prime by the end of the level.
Inflict 5000 damage using magic.
Upgrade 5 towers to level 3.
Summon Next Wave 5 times in the battle.
Build 800 towers.
Save 225 Prime by the end of the level.
Complete the level without using the Siege Tower.
Complete the level without using the Fire Tower.
Destroy all totems in the battle.
Reach level 20.
Kill 20000 monsters.
Win 100 games.
Use magic 100 times.
Win 10 story levels on 3 stars.
Save 180 Prime by the end of the level.
Complete the level without using Magic light.
Complete the level without using the Wooden Tower.
Complete this level with under 13 towers.
Destroy 200 totems.
Reach level 15.
Inflict 20000 damage using magic.
Upgrade 300 towers.
Kill 8000 monsters.
Reach level 10.
Destroy 7 totems.
Build 200 towers.
Win 25 games.
Kill 3000 monsters.
Upgrade 50 towers.
Destroy 40 totems.
Summon Next Wave 50 times.
Win 5 story levels on 3 stars.
Use magic 5 times during the battle.
Reach level 5.
Use magic 20 times.
Upgrade 5 towers to level 2.
Win 5 games.
Sell 3 towers in one battle.
Complete the level without using more than 1 Fire Tower.
Kill 500 monsters.
Destroy all totems during this battle.
Complete this level without using more than 1 Slingshot.
Complete the level using no more than 1 Poison Tower.
Summon Next Wave 3 times in a battle.
Summon Next Wave 5 times.
Save 100 Prime by the end of the level.
Build 10000 towers.
Win 500 games.