Here is the full list of all 134 Prime World: Defenders achievements.
Complete the level without upgrading a tower.
Complete the level without using towers which target both air and ground enemies.
Summon Next Wave 10 times during battle.
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 magic.
Complete the level building less than 7 towers.
Save 250 Prime by the end of the level.
Save 200 Prime by the end of the level.
Complete the level without using any magic.
Summon Next Wave 8 times in a battle.
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.
Complete the level without using towers which target only air enemies.
Complete the level building less than 9 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.
Build 30 towers during battle.
Complete this level with 1 life.
Complete a level without detecting invisible enemies.
Complete the level building less than 11 towers.
Upgrade 1500 towers.
Use magic 500 times.
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.
Save 275 Prime by the end of the level.
Kill 500 monsters.
Win 5 games.
Upgrade 5 towers to level 2.
Destroy all totems during this battle.
Complete this level without using more than 1 Slingshot.
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.
Summon Next Wave 5 times.
Reach level 20.
Win 20 story levels on 3 stars.
Save 225 Prime by the end of the level.
Complete the level without using the Siege Tower.
Inflict 200000 damage using magic.
Kill 20000 monsters.
Win 100 games.
Use magic 100 times.
Sell 100 towers.
Inflict 50000 damage using magic.
Upgrade 5 towers to level 3.
Inflict 5000 damage using magic.
Build 800 towers.
Save 180 Prime by the end of the level.
Inflict 20000 damage using magic.
Reach level 15.
Summon Next Wave 5 times in the battle.
Destroy 200 totems.
Summon Next Wave 300 times.
Win 10 story levels on 3 stars.
Complete this level with under 13 towers.
Complete the level without using the Wooden Tower.
Destroy 7 totems.
Use magic 20 times.
Kill 8000 monsters.
Upgrade 300 towers.
Complete the level without using the Fire Tower.
Destroy all totems in the battle.
Reach level 10.
Sell 3 towers in one battle.
Complete the level without using more than 1 Fire Tower.
Win 5 story levels on 3 stars.
Win 25 games.
Complete the level without using Magic light.
Build 200 towers.
Kill 3000 monsters.
Destroy 40 totems.
Upgrade 50 towers.
Summon Next Wave 50 times.
Reach level 5.
Complete the level with 1 life.
Build 2500 towers.
Build 10000 towers.
Win 500 games.
Save 300 Prime by the end of the level.
Upgrade 10 towers to level 3.
Save 350 Prime by the end of the level.
Save 400 Prime by the end of the level.
Summon Next Wave 10 times in a battle.