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