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