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