Full list of all 83 Kingdom Rush Origins achievements. It takes around 30-35 hours to unlock all of the achievements in the base game on Windows.
The base game contains 71 achievements, and there are 3 DLC packs containing 12 achievements.
Throw 1,000 burning nuts.
Stun 10 or more enemies with a single clobber.
Deal over 100,000 damage with Sylvan Curses.
Defeat 250 enemies while silenced.
Grow 100 barbed vines!
Give regeneration 25 times to the same soldier.
Raise all 3 basic heroes to level 10.
Have your Renegades defeat 50 twilight elves.
Have your Gryphon Riders defeat 25 Perythons.
Make the Razor Boars trample and kill 20 enemies.
Have your soldiers avoid 50 blasting spell explosions.
End stage 3 without scaring more than 3 hyenas.
Grow the beanstalk to the clouds!
Have 8 or more Runed Bears in any single stage.
Complete any stage with 5 active arcane sentinels.
Defeat 500 enemies with the poison Vines.
Make 600 Blade Dance moves.
Keep enemies out of time for a total of 1000 seconds.
Defeat 50 flying enemies with Arcane Burst arrows.
Find the three playing friends.
Defeat 50 sleeping enemies.
Complete all campaign Iron challenges.
Complete all campaign Heroic challenges.
Earn 3 stars on each Ancient City campaign stage.
Defeat the Spider Goddess!
Earn all stars from each Campaign stage.
Complete the Campaign in Normal difficulty.
Defeat 50 enemies with Eldritch Doom explosions.
Freeze 100 enemies with the Sorcerer's Stones.
Mark a total of 5 targets simultaneously.
Prevent Mactans from webbing at least 8 towers.
Build a Level 4 tower on every holder of a stage.
Defeat 7 Golems before they walk past half the stage.
Cast 1210 lightning bolts.
Have Beresad and Ashbite defeat 100 enemies.
Find the three apprentice relics!
Crimson Sentence 10 enemies in a single wave.
Entertain the funny lemure.
Have 1,500 of your own soldiers defeated in battle.
Earn 3 stars on each Faery Grove campaign stage.
Defeat Malicia!
Earn 50 stars.
Complete a 9 tap challenge of the Shroom game.
Squish 10 gnomes!
Save Hans and Ethel.
Defeat 500 enemies with reinforcements' projectiles.
Collect 100,000 gold from defeated enemies.
Crystalize a single creep for more than 10 secs.
Defeat 5 Bandersnatches only by dealing them damage.
Defeat 100 gloomies before they duplicate.
Scare 11 idle white rabbits!
Find George!
Call 13 or more early waves on any given stage.
Earn 30 stars.
Earn 3 stars on each Elven Woods campaign stage.
Defeat Hi-Hi Enha, the Gnoll Chieftain.
Perfect Parry for a total of 1000 damage.
Defeat 80 enemies with the magic Blossoms.
Complete Stage 5 without building any barracks.
Find the matching bushes.
Activate 50 magical plants.
Don't let the hero die against an Ettin on Stage 4.
Deploy 500 or more reinforcements into battle.
Earn 15 stars.
Complete 7 stages without the hero dying.
Defeat 10 enemies with a single thunderbolt power.
Save 13 barrelled dwarves.
Defeat 900 gnolls.
Read all tip cards.
Complete 3 stages without the hero dying.
Win stage 1 with 3 stars.
Defeat Bram the Beheader.
Help Wile E. capture the elusive bird.
Collect the 3 strange skulls.
Help Malik escape.
Defeat 100 Bloodsydian Gnolls.
Kill 100 Mounted Avengers.
Stun 200 enemies with the white trees' power.
Defeat Baj'Nimen the hateful warlord.
Have Bolverk kill 100 enemies.
Defeat Godieth the Dark Balrog.
Complete the Campaign in Veteran difficulty.
Complete the Campaign in Impossible difficulty.