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