Here is the full list of all 84 Legends of Kingdom Rush achievements.
Have 1 character with a stat upgraded three times during an adventure.
Complete an adventure with Bravebark.
Participate in 25 Daily Challenges.
Win 5 Quick-Play fights on any difficulty.
Explore 100 nodes.
Complete Stormcloud's Winter on Normal difficulty.
Complete an adventure with Bruxa.
Defeat 5 enemies in a single turn.
Win 10 Quick-Play Arena combats with Elite enemies.
Win a Quick-Play Arena combat with the Bashed Heroes diversifier without hero casualties.
Beat the Dark Knights at the Dark Army Checkpoint without any casualties.
Get 4 or more success dice on a roll.
Participate in 10 Daily Challenges.
Find the ninja hiding in Silveroak Forest.
Feed the vampire killer in the wastelands.
Find the mutated winter wulf in the mountains.
Find the cursed girl on the outskirts of the forest.
Win a Quick-Play Arena combat with the Burning Desire diversifier in 3 or fewer rounds.
Win an Arena combat with the Encouraging Audience diversifier without consuming any food.
Complete Krum'Thak's Dominion on Normal difficulty.
Complete an adventure without any hero deaths.
Defeat Krum'Thak without any casualties.
Find the empowered sheep in the forest.
Win 3 combats in a row without receiving any Health damage.
Win 5 Daily Challenges.
Damage 25 enemies using combat props.
Unlock 10 characters.
Defeat Iriza and banish the Overseer.
Complete an adventure with a character from each class.
Have all your party members at max level during an adventure.
Use 10 items during challenges.
Win a combat against skeletons without any of them respawning.
Recover the Stormcloud Temple from the trolls.
Defeat the Harbinger without being hit by the Glare energy.
Deal 50 total damage in a single round.
Use 10 items during a single adventure.
Deal a total of 1000 damage.
Reach the Mountain Boss Fight.
Defeat 100 enemies.
Successfully defend Argaleham.
Win 1 Daily Challenge.
Reach Krum'Thak's arena.
Defeat Krum'Thak Ragestorm.
Complete an adventure with Gerald.
Help the intergalactic hero stranded in the forest.
Explore 5 nodes in the Forest adventure.
Succeed in 3 dice challenges in a row on the same adventure.
Help Gerald escape from Linirea's citadel.
Begin your legendary quest to save Linirea.
Keep at least 1 young barbarian alive until the end of combat.
Break frozen units' ice shield 10 times.
Win an encounter with 1 unit left with 1 HP left.
Complete Extradimensional Menace on Normal difficulty.
Free the Argentree from Mor-Ga-Nok's possession.
Complete The Wild Moon on Normal difficulty.
Defeat 1000 enemies.
Win 100 combats.
Land 100 epic strikes.
Heal 250 health points during combats.
Complete an adventure with a character with at least 3 wounds.
Gain 5000 gold during adventures.
Complete an adventure with Asra.
Complete an adventure with Oloch.
Complete an adventure with Reg'son.
Defeat Iriza with 5 different legends.
Complete an adventure with the original party and no recruits.
Save at least 1 soldier at the orc camp.
Save the villager from the Demon Lord.
Save both villagers from the winter wulves.
Defeat Krum'Thak in the same round he enters the arena.
Win all 3 Argaleham combats.
Destroy 10 obelisks.
Save Argaleham from the trolls before round 4.
Defeat the Ashervan in their secret den.
Answer 5 riddles correctly.
Find the most durable pig house.
Find the elusive jumping bear.
Have the Poke Oaks hit enemies 5 times in the same combat.
Defeat Mór-Ga-Nok with Mór as the final aspect.
Defeat Mór-Ga-Nok with Ga as the final aspect.
Defeat Mór-Ga-Nok with Nok as the final aspect.
Finish 10 treefolk units with Burning damage.
Defeat the orcs setting up camp in Silveroak without receiving damage.
Win 10 Quick-Play fights on Normal difficulty.