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 sleeping enemies.
Keep enemies out of time for a total of 1000 seconds.
Cast 1210 lightning bolts.
Build a Level 4 tower on every holder of a stage.
Defeat the Spider Goddess!
Complete the Campaign in Normal difficulty.
Crimson Sentence 10 enemies in a single wave.
Defeat 7 Golems before they walk past half the stage.
Have Beresad and Ashbite defeat 100 enemies.
Find the three apprentice relics!
Earn 30 stars.
Have 1,500 of your own soldiers defeated in battle.
Entertain the funny lemure.
Defeat Malicia!
Defeat 250 enemies while silenced.
Collect 100,000 gold from defeated enemies.
Defeat 50 enemies with Eldritch Doom explosions.
Complete a 9 tap challenge of the Shroom game.
Deploy 500 or more reinforcements into battle.
Squish 10 gnomes!
Defeat 5 Bandersnatches only by dealing them damage.
Defeat 100 gloomies before they duplicate.
Call 13 or more early waves on any given stage.
Defeat Hi-Hi Enha, the Gnoll Chieftain.
Perfect Parry for a total of 1000 damage.
Earn 15 stars.
Activate 50 magical plants.
Defeat 10 enemies with a single thunderbolt power.
Find the matching bushes.
Don't let the hero die against an Ettin on Stage 4.
Defeat 900 gnolls.
Complete 3 stages without the hero dying.
Read all tip cards.
Win stage 1 with 3 stars.
End stage 3 without scaring more than 3 hyenas.
Save 13 barrelled dwarves.
Find George!
Complete Stage 5 without building any barracks.
Have your Gryphon Riders defeat 25 Perythons.
Defeat 80 enemies with the magic Blossoms.
Scare 11 idle white rabbits!
Earn 3 stars on each Elven Woods campaign stage.
Find the three playing friends.
Save Hans and Ethel.
Grow the beanstalk to the clouds!
Crystalize a single creep for more than 10 secs.
Defeat 500 enemies with the poison Vines.
Have your soldiers avoid 50 blasting spell explosions.
Earn 3 stars on each Faery Grove campaign stage.
Make the Razor Boars trample and kill 20 enemies.
Prevent Mactans from webbing at least 8 towers.
Have your Renegades defeat 50 twilight elves.
Freeze 100 enemies with the Sorcerer's Stones.
Earn 3 stars on each Ancient City campaign stage.
Earn 50 stars.
Earn all stars from each Campaign stage.
Defeat 500 enemies with reinforcements' projectiles.
Raise all 3 basic heroes to level 10.
Complete 7 stages without the hero dying.
Make 600 Blade Dance moves.
Grow 100 barbed vines!
Give regeneration 25 times to the same soldier.
Defeat 50 flying enemies with Arcane Burst arrows.
Complete any stage with 5 active arcane sentinels.
Mark a total of 5 targets simultaneously.
Have 8 or more Runed Bears in any single stage.
Deal over 100,000 damage with Sylvan Curses.
Stun 10 or more enemies with a single clobber.
Throw 1,000 burning nuts.
Complete all campaign Heroic challenges.
Complete all campaign Iron challenges.
Defeat Bram the Beheader.
Defeat 100 Bloodsydian Gnolls.
Collect the 3 strange skulls.
Help Wile E. capture the elusive bird.
Help Malik escape.
Defeat Baj'Nimen the hateful warlord.
Kill 100 Mounted Avengers.
Stun 200 enemies with the white trees' power.
Have Bolverk kill 100 enemies.
Defeat Godieth the Dark Balrog.
Complete the Campaign in Veteran difficulty.
Complete the Campaign in Impossible difficulty.