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