Here is the full list of all 134 Prime World: Defenders achievements.
Build 10000 towers.
Win 500 games.
Complete the level without using utility towers (Prime injector, Slow, Stun, Accursed and Detector towers)
Summon Next Wave 200 times in a battle.
Summon Next Wave 10 times in a battle.
Complete the level without using any magic.
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.
Build 30 towers during battle.
Inflict 50000 damage using magic.
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.
Sell 10 towers in one battle.
Summon Next Wave 5 times in a battle.
Use magic 12 times during the battle.
Upgrade 1500 towers.
Complete the level without using magic.
Summon Next Wave 10 times during battle.
Build 2500 towers.
Save 275 Prime by the end of the level.
Complete the level with 1 life.
Complete the level building less than 11 towers.
Win 20 story levels on 3 stars.
Reach level 20.
Save 150 Prime by the end of the level.
Complete the level without using a Stone Tower.
Sell 100 towers.
Save 175 Prime by the end of the level.
Inflict 5000 damage using magic.
Upgrade 5 towers to level 3.
Use magic 500 times.
Save 225 Prime by the end of the level.
Summon Next Wave 5 times in the battle.
Kill 20000 monsters.
Complete the level without using the Siege Tower.
Complete the level without using the Fire Tower.
Destroy all totems in the battle.
Win 100 games.
Save 180 Prime by the end of the level.
Build 800 towers.
Reach level 15.
Win 10 story levels on 3 stars.
Complete the level without using Magic light.
Inflict 200000 damage using magic.
Upgrade 300 towers.
Destroy 200 totems.
Kill 8000 monsters.
Use magic 100 times.
Summon Next Wave 300 times.
Complete this level with under 13 towers.
Reach level 10.
Complete the level without using the Wooden Tower.
Destroy 7 totems.
Build 200 towers.
Win 25 games.
Kill 3000 monsters.
Upgrade 50 towers.
Summon Next Wave 50 times.
Reach level 5.
Destroy 40 totems.
Win 5 story levels on 3 stars.
Upgrade 5 towers to level 2.
Inflict 20000 damage using magic.
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.
Use magic 5 times during the battle.
Save 100 Prime by the end of the level.
Complete the level using no more than 1 Poison Tower.
Summon Next Wave 3 times in a battle.
Kill 500 monsters.
Summon Next Wave 5 times.
Use magic 20 times.
Win 5 games.