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