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