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