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.
Defeat 250 enemies while silenced.
Deal over 100,000 damage with Sylvan Curses.
Have 8 or more Runed Bears in any single stage.
Stun 10 or more enemies with a single clobber.
Complete all campaign Iron challenges.
Complete all campaign Heroic challenges.
Have your soldiers avoid 50 blasting spell explosions.
Make 600 Blade Dance moves.
Keep enemies out of time for a total of 1000 seconds.
Make the Razor Boars trample and kill 20 enemies.
Have your Renegades defeat 50 twilight elves.
Defeat 50 enemies with Eldritch Doom explosions.
Prevent Mactans from webbing at least 8 towers.
Have Beresad and Ashbite defeat 100 enemies.
Complete any stage with 5 active arcane sentinels.
Perfect Parry for a total of 1000 damage.
Have 1,500 of your own soldiers defeated in battle.
Earn 50 stars.
Raise all 3 basic heroes to level 10.
Defeat 500 enemies with reinforcements' projectiles.
Defeat 500 enemies with the poison Vines.
Have your Gryphon Riders defeat 25 Perythons.
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.
Freeze 100 enemies with the Sorcerer's Stones.
Defeat 7 Golems before they walk past half the stage.
Give regeneration 25 times to the same soldier.
Cast 1210 lightning bolts.
Find the three apprentice relics!
Crimson Sentence 10 enemies in a single wave.
Entertain the funny lemure.
Earn 3 stars on each Faery Grove campaign stage.
Defeat 50 sleeping enemies.
Defeat Malicia!
Mark a total of 5 targets simultaneously.
Earn 30 stars.
Deploy 500 or more reinforcements into battle.
Complete a 9 tap challenge of the Shroom game.
Squish 10 gnomes!
Grow 100 barbed vines!
Crystalize a single creep for more than 10 secs.
Defeat 50 flying enemies with Arcane Burst arrows.
Defeat 5 Bandersnatches only by dealing them damage.
Defeat 100 gloomies before they duplicate.
Find the three playing friends.
Collect 100,000 gold from defeated enemies.
Defeat 80 enemies with the magic Blossoms.
Complete 7 stages without the hero dying.
Scare 11 idle white rabbits!
Defeat 10 enemies with a single thunderbolt power.
Grow the beanstalk to the clouds!
Save Hans and Ethel.
Earn 3 stars on each Elven Woods campaign stage.
Defeat Hi-Hi Enha, the Gnoll Chieftain.
Build a Level 4 tower on every holder of a stage.
Activate 50 magical plants.
Complete Stage 5 without building any barracks.
Earn 15 stars.
Find the matching bushes.
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.
Find George!
End stage 3 without scaring more than 3 hyenas.
Complete 3 stages without the hero dying.
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.
Defeat Godieth the Dark Balrog.
Complete the Campaign in Veteran difficulty.
Complete the Campaign in Impossible difficulty.