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