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