Here is the full list of all 134 Prime World: Defenders achievements.
Build 10000 towers.
Build 2500 towers.
Win 500 games.
Complete the level without upgrading a tower.
Complete the level without using towers which target both air and ground enemies.
Save 300 Prime by the end of the level.
Upgrade 1500 towers.
Summon Next Wave 200 times in a battle.
Complete the level without using utility towers (Prime injector, Slow, Stun, Accursed and Detector towers)
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.
Save 250 Prime by the end of the level.
Inflict 50000 damage using magic.
Build 30 towers during battle.
Upgrade 10 towers to level 3.
Summon Next Wave 8 times in a battle.
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.
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.
Use magic 12 times during the battle.
Complete the level with 1 life.
Summon Next Wave 5 times in a battle.
Use magic 500 times.
Complete the level without using magic.
Summon Next Wave 10 times during battle.
Win 20 story levels on 3 stars.
Summon Next Wave 300 times.
Complete the level building less than 11 towers.
Upgrade 5 towers to level 3.
Save 275 Prime by the end of the level.
Win 100 games.
Save 150 Prime by the end of the level.
Complete the level without using a Stone Tower.
Build 800 towers.
Save 175 Prime by the end of the level.
Reach level 20.
Inflict 5000 damage using magic.
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.
Sell 100 towers.
Save 180 Prime by the end of the level.
Complete the level without using the Fire Tower.
Kill 20000 monsters.
Inflict 200000 damage using magic.
Destroy 200 totems.
Reach level 15.
Destroy all totems in the battle.
Kill 8000 monsters.
Upgrade 300 towers.
Win 10 story levels on 3 stars.
Destroy 7 totems.
Inflict 20000 damage using magic.
Use magic 100 times.
Reach level 10.
Summon Next Wave 50 times.
Complete the level without using the Wooden Tower.
Win 25 games.
Complete the level without using Magic light.
Complete this level with under 13 towers.
Build 200 towers.
Kill 3000 monsters.
Upgrade 50 towers.
Destroy 40 totems.
Reach level 5.
Upgrade 5 towers to level 2.
Win 5 story levels on 3 stars.
Complete the level without using more than 1 Fire Tower.
Sell 3 towers in one battle.
Destroy all totems during this battle.
Use magic 20 times.
Complete this level without using more than 1 Slingshot.
Kill 500 monsters.
Win 5 games.
Complete the level using no more than 1 Poison Tower.
Summon Next Wave 3 times in a battle.
Use magic 5 times during the battle.
Save 100 Prime by the end of the level.
Summon Next Wave 5 times.