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