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