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