Here is the full list of all 134 Prime World: Defenders achievements.
Build 10000 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.
Build 2500 towers.
Win 500 games.
Upgrade 1500 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.
Build 30 towers during battle.
Inflict 50000 damage using magic.
Upgrade 10 towers to level 3.
Complete the level without upgrading a tower.
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).
Save 300 Prime by the end of the level.
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 500 times.
Summon Next Wave 5 times in a battle.
Use magic 12 times during the battle.
Win 100 games.
Reach level 20.
Kill 20000 monsters.
Inflict 200000 damage using magic.
Destroy 200 totems.
Complete the level without using magic.
Summon Next Wave 10 times during battle.
Complete the level with 1 life.
Build 800 towers.
Sell 100 towers.
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.
Inflict 5000 damage using magic.
Reach level 15.
Summon Next Wave 5 times in the battle.
Summon Next Wave 300 times.
Upgrade 300 towers.
Upgrade 5 towers to level 3.
Save 225 Prime by the end of the level.
Complete the level without using the Siege Tower.
Kill 8000 monsters.
Save 180 Prime by the end of the level.
Complete the level without using Magic light.
Complete the level without using the Fire Tower.
Use magic 100 times.
Reach level 10.
Complete the level without using the Wooden Tower.
Destroy all totems in the battle.
Inflict 20000 damage using magic.
Win 10 story levels on 3 stars.
Summon Next Wave 50 times.
Complete this level with under 13 towers.
Win 25 games.
Kill 3000 monsters.
Destroy 7 totems.
Build 200 towers.
Destroy 40 totems.
Upgrade 50 towers.
Reach level 5.
Use magic 20 times.
Win 5 story levels on 3 stars.
Upgrade 5 towers to level 2.
Sell 3 towers in one battle.
Complete the level without using more than 1 Fire Tower.
Complete this level without using more than 1 Slingshot.
Use magic 5 times during the battle.
Win 5 games.
Kill 500 monsters.
Destroy all totems during this battle.
Complete the level using no more than 1 Poison Tower.
Summon Next Wave 3 times in a battle.
Summon Next Wave 5 times.
Save 100 Prime by the end of the level.