Here is the full list of all 134 Prime World: Defenders achievements.
Win 500 games.
Build 10000 towers.
Complete the level without using magic.
Complete the level without upgrading a tower.
Summon Next Wave 200 times in a battle.
Upgrade 1500 towers.
Upgrade 10 towers to level 3.
Complete the level without using towers which target both air and ground enemies.
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.
Complete the level building less than 9 towers.
Save 300 Prime by the end of the level.
Complete this level using magic no more than 3 times.
Complete the level without using towers which deal area of effect damage (splash, cone, chain).
Save 350 Prime by the end of the level.
Save 400 Prime by the end of the level.
Complete a level without detecting invisible 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.
Summon Next Wave 8 times in a battle.
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.
Sell 10 towers in one battle.
Summon Next Wave 5 times in a battle.
Use magic 12 times during the battle.
Summon Next Wave 10 times during battle.
Win 20 story levels on 3 stars.
Complete the level with 1 life.
Save 275 Prime by the end of the level.
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.
Summon Next Wave 300 times.
Build 2500 towers.
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.
Reach level 20.
Upgrade 300 towers.
Use magic 500 times.
Kill 20000 monsters.
Win 100 games.
Reach level 15.
Complete the level without using the Siege Tower.
Complete the level without using the Fire Tower.
Inflict 200000 damage using magic.
Win 10 story levels on 3 stars.
Destroy all totems in the battle.
Destroy 200 totems.
Save 180 Prime by the end of the level.
Build 800 towers.
Use magic 100 times.
Complete the level without using Magic light.
Kill 8000 monsters.
Reach level 10.
Sell 100 towers.
Complete this level with under 13 towers.
Win 25 games.
Complete the level without using the Wooden Tower.
Destroy 7 totems.
Build 200 towers.
Complete this level without using more than 1 Slingshot.
Kill 3000 monsters.
Win 5 story levels on 3 stars.
Summon Next Wave 50 times.
Destroy 40 totems.
Upgrade 50 towers.
Inflict 20000 damage using magic.
Reach level 5.
Upgrade 5 towers to level 2.
Sell 3 towers in one battle.
Complete the level without using more than 1 Fire Tower.
Destroy all totems during this battle.
Kill 500 monsters.
Summon Next Wave 5 times.
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.
Save 100 Prime by the end of the level.