Here is the full list of all 134 Prime World: Defenders achievements.
Win 500 games.
Build 10000 towers.
Build 2500 towers.
Summon Next Wave 200 times in a battle.
Complete the level without using utility towers (Prime injector, Slow, Stun, Accursed and Detector towers)
Upgrade 1500 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.
Complete the level without using towers which target both air and ground enemies.
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.
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 this level using magic no more than 3 times.
Complete the level building less than 7 towers.
Win 100 games.
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.
Complete the level with 1 life.
Summon Next Wave 10 times during battle.
Save 275 Prime by the end of the level.
Complete the level building less than 11 towers.
Win 20 story levels on 3 stars.
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.
Reach level 20.
Inflict 5000 damage using magic.
Upgrade 5 towers to level 3.
Save 225 Prime by the end of the level.
Kill 20000 monsters.
Summon Next Wave 5 times in the battle.
Complete the level without using the Siege Tower.
Reach level 15.
Complete the level without using the Fire Tower.
Destroy 200 totems.
Destroy all totems in the battle.
Save 180 Prime by the end of the level.
Win 10 story levels on 3 stars.
Build 800 towers.
Summon Next Wave 300 times.
Use magic 500 times.
Upgrade 300 towers.
Inflict 200000 damage using magic.
Kill 8000 monsters.
Reach level 10.
Complete the level without using Magic light.
Complete this level with under 13 towers.
Win 25 games.
Kill 3000 monsters.
Use magic 100 times.
Complete the level without using the Wooden Tower.
Upgrade 50 towers.
Destroy 7 totems.
Destroy 40 totems.
Summon Next Wave 50 times.
Build 200 towers.
Upgrade 5 towers to level 2.
Reach level 5.
Win 5 story levels on 3 stars.
Inflict 20000 damage using magic.
Sell 100 towers.
Sell 3 towers in one battle.
Complete the level without using more than 1 Fire Tower.
Destroy all totems during this battle.
Complete this level without using more than 1 Slingshot.
Kill 500 monsters.
Use magic 20 times.
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.
Summon Next Wave 5 times.
Save 100 Prime by the end of the level.