Here is the full list of all 134 Prime World: Defenders achievements.
Build 10000 towers.
Complete this level with 1 life.
Win 500 games.
Upgrade 10 towers to level 3.
Complete the level with 1 life.
Complete the level without upgrading a tower.
Save 400 Prime by the end of the level.
Save 200 Prime by the end of the level.
Complete the level without using towers which target both air and ground enemies.
Complete the level without using towers which deal area of effect damage (splash, cone, chain).
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 a level without detecting invisible enemies.
Complete the level building less than 9 towers.
Save 350 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 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 the level without using magic.
Complete this level using magic no more than 3 times.
Build 2500 towers.
Sell 10 towers in one battle.
Summon Next Wave 5 times in a battle.
Use magic 12 times during the battle.
Summon Next Wave 10 times during battle.
Upgrade 1500 towers.
Save 150 Prime by the end of the level.
Complete the level without using a Stone Tower.
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 175 Prime by the end of the level.
Save 225 Prime by the end of the level.
Complete the level without using the Siege Tower.
Reach level 20.
Use magic 500 times.
Win 100 games.
Inflict 5000 damage using magic.
Upgrade 5 towers to level 3.
Summon Next Wave 5 times in the battle.
Kill 20000 monsters.
Save 180 Prime by the end of the level.
Complete the level without using the Fire Tower.
Destroy all totems in the battle.
Build 800 towers.
Complete this level with under 13 towers.
Win 10 story levels on 3 stars.
Complete the level without using Magic light.
Reach level 15.
Sell 100 towers.
Destroy 200 totems.
Upgrade 300 towers.
Summon Next Wave 300 times.
Kill 8000 monsters.
Inflict 200000 damage using magic.
Reach level 10.
Complete the level without using the Wooden Tower.
Destroy 7 totems.
Use magic 100 times.
Win 25 games.
Kill 3000 monsters.
Destroy 40 totems.
Build 200 towers.
Upgrade 50 towers.
Complete the level without using more than 1 Fire Tower.
Inflict 20000 damage using magic.
Reach level 5.
Destroy all totems during this battle.
Complete this level without using more than 1 Slingshot.
Win 5 story levels on 3 stars.
Upgrade 5 towers to level 2.
Summon Next Wave 50 times.
Use magic 20 times.
Sell 3 towers in one battle.
Kill 500 monsters.
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.