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