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