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