Here is the full list of all 134 Prime World: Defenders achievements.
Win 500 games.
Build 10000 towers.
Win 100 games.
Use magic 500 times.
Upgrade 1500 towers.
Build 2500 towers.
Sell 100 towers.
Destroy 200 totems.
Upgrade 300 towers.
Build 800 towers.
Inflict 200000 damage using magic.
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.
Save 250 Prime by the end of the level.
Inflict 50000 damage using magic.
Build 30 towers during battle.
Upgrade 50 towers.
Upgrade 10 towers to level 3.
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.
Kill 20000 monsters.
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.
Reach level 20.
Sell 10 towers in one battle.
Summon Next Wave 5 times in a battle.
Use magic 100 times.
Use magic 12 times during the battle.
Complete the level without using magic.
Summon Next Wave 10 times during battle.
Complete the level with 1 life.
Save 275 Prime by the end of the level.
Complete the level building less than 11 towers.
Win 20 story levels on 3 stars.
Reach level 15.
Save 150 Prime by the end of the level.
Complete the level without using a Stone Tower.
Save 175 Prime by the end of the level.
Kill 8000 monsters.
Inflict 5000 damage using magic.
Inflict 20000 damage using magic.
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.
Summon Next Wave 300 times.
Reach level 10.
Win 25 games.
Destroy all totems in the battle.
Save 180 Prime by the end of the level.
Win 10 story levels on 3 stars.
Complete the level without using Magic light.
Build 200 towers.
Complete this level with under 13 towers.
Kill 3000 monsters.
Destroy 7 totems.
Destroy 40 totems.
Complete the level without using the Wooden Tower.
Upgrade 5 towers to level 2.
Sell 3 towers in one battle.
Complete the level without using more than 1 Fire Tower.
Summon Next Wave 50 times.
Destroy all totems during this battle.
Complete this level without using more than 1 Slingshot.
Win 5 story levels on 3 stars.
Use magic 5 times during the battle.
Summon Next Wave 3 times in a battle.
Reach level 5.
Complete the level using no more than 1 Poison Tower.
Use magic 20 times.
Save 100 Prime by the end of the level.
Win 5 games.
Kill 500 monsters.
Summon Next Wave 5 times.