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.
Complete all campaign Iron challenges.
Complete all campaign Heroic challenges.
Make the Razor Boars trample and kill 20 enemies.
Deal over 100,000 damage with Sylvan Curses.
Defeat 500 enemies with the poison Vines.
Give regeneration 25 times to the same soldier.
Have your Renegades defeat 50 twilight elves.
Don't let the hero die against an Ettin on Stage 4.
Raise all 3 basic heroes to level 10.
Have your soldiers avoid 50 blasting spell explosions.
Earn 3 stars on each Ancient City campaign stage.
Defeat the Spider Goddess!
Earn all stars from each Campaign stage.
Complete the Campaign in Normal difficulty.
Defeat 250 enemies while silenced.
Have your Gryphon Riders defeat 25 Perythons.
Build a Level 4 tower on every holder of a stage.
Prevent Mactans from webbing at least 8 towers.
Mark a total of 5 targets simultaneously.
End stage 3 without scaring more than 3 hyenas.
Find George!
Have 8 or more Runed Bears in any single stage.
Complete Stage 5 without building any barracks.
Defeat 50 flying enemies with Arcane Burst arrows.
Complete any stage with 5 active arcane sentinels.
Have Beresad and Ashbite defeat 100 enemies.
Stun 10 or more enemies with a single clobber.
Defeat 7 Golems before they walk past half the stage.
Defeat 500 enemies with reinforcements' projectiles.
Freeze 100 enemies with the Sorcerer's Stones.
Make 600 Blade Dance moves.
Grow 100 barbed vines!
Find the three apprentice relics!
Entertain the funny lemure.
Earn 50 stars.
Earn 3 stars on each Faery Grove campaign stage.
Keep enemies out of time for a total of 1000 seconds.
Defeat Malicia!
Crimson Sentence 10 enemies in a single wave.
Defeat 50 sleeping enemies.
Defeat 50 enemies with Eldritch Doom explosions.
Cast 1210 lightning bolts.
Collect 100,000 gold from defeated enemies.
Squish 10 gnomes!
Crystalize a single creep for more than 10 secs.
Defeat 5 Bandersnatches only by dealing them damage.
Defeat 100 gloomies before they duplicate.
Have 1,500 of your own soldiers defeated in battle.
Find the three playing friends.
Save Hans and Ethel.
Grow the beanstalk to the clouds!
Earn 30 stars.
Defeat 80 enemies with the magic Blossoms.
Complete 7 stages without the hero dying.
Deploy 500 or more reinforcements into battle.
Scare 11 idle white rabbits!
Earn 3 stars on each Elven Woods campaign stage.
Defeat Hi-Hi Enha, the Gnoll Chieftain.
Earn 15 stars.
Find the matching bushes.
Perfect Parry for a total of 1000 damage.
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.
Complete a 9 tap challenge of the Shroom game.
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.
Defeat Baj'Nimen the hateful warlord.
Stun 200 enemies with the white trees' power.
Have Bolverk kill 100 enemies.
Complete the Campaign in Impossible difficulty.
Defeat Godieth the Dark Balrog.
Complete the Campaign in Veteran difficulty.