Here is the full list of all 134 Prime World: Defenders achievements.
Win 100 games.
Destroy 200 totems.
Sell 100 towers.
Complete the level without using utility towers (Prime injector, Slow, Stun, Accursed and Detector towers)
Summon Next Wave 200 times in a battle.
Upgrade 300 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.
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.
Use magic 500 times.
Inflict 50000 damage using magic.
Build 30 towers during battle.
Upgrade 10 towers to level 3.
Build 800 towers.
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.
Kill 20000 monsters.
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.
Reach level 20.
Sell 10 towers in one battle.
Inflict 200000 damage using magic.
Use magic 12 times during the battle.
Inflict 5000 damage using magic.
Use magic 100 times.
Upgrade 5 towers to level 3.
Inflict 20000 damage using magic.
Sell 3 towers in one battle.
Complete the level without using more than 1 Fire Tower.
Use magic 5 times during the battle.
Summon Next Wave 5 times in a battle.
Reach level 15.
Complete the level without using magic.
Summon Next Wave 10 times during battle.
Complete the level with 1 life.
Summon Next Wave 300 times.
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.
Kill 8000 monsters.
Summon Next Wave 5 times in the battle.
Save 225 Prime by the end of the level.
Complete the level without using the Siege Tower.
Upgrade 50 towers.
Reach level 10.
Win 25 games.
Complete the level without using the Fire Tower.
Destroy all totems in the battle.
Save 180 Prime by the end of the level.
Win 10 story levels on 3 stars.
Complete the level without using Magic light.
Summon Next Wave 50 times.
Complete this level with under 13 towers.
Build 200 towers.
Complete the level without using the Wooden Tower.
Destroy 7 totems.
Kill 3000 monsters.
Upgrade 5 towers to level 2.
Win 5 story levels on 3 stars.
Destroy 40 totems.
Reach level 5.
Use magic 20 times.
Summon Next Wave 5 times.
Kill 500 monsters.
Win 5 games.
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.
Save 100 Prime by the end of the level.
Build 2500 towers.
Build 10000 towers.
Win 500 games.
Upgrade 1500 towers.