Here is the full list of all 74 Kingdom Rush achievements. It takes around 20-25 hours to unlock all of the achievements on Windows.
Complete the campaign in Veteran mode.
Fire the Sunray 20 times.
Complete all heroic stages.
Complete all iron stages.
Have your Elves deal 10000 points of damage.
Defeat Moloch the Demon Overlord.
Have your soldiers survive the explosion of 300 demons.
Defeat 9 legions before they replicate.
Defeat Myconid, the Rotten Fungus.
Kill 25 Shrooms without them poisoning your soldiers.
Defeat Greenmuck and its minions.
Defeat Lord Blackburn to avoid war between kingdoms.
Discover the hidden monster under water.
Capture the attention of the mysterious crow.
Shoot 100 missiles.
Kill 15 Wererats before they sicken any soldier.
Drop 1.000 or more bomblets with the cluster bomb.
Snipe 50 enemies.
Defeat Ulguk-Hai the Troll Warlord.
Summon 5 rock elementals in any one stage.
Kill 50 enemies by poison damage.
Find the 5 legendary lost ice-shrooms.
Build 4 Tesla towers in any stage.
Defeat 10 Troll Pathfinders while they're treading on ice.
Sell 30 towers.
Free the sasquatch on the Icewind Pass.
Recruit max elves at The Silveroak Outpost.
Find the ninja master rat.
Catch a fish.
Find the elusive acorn.
Defeat Sarelgaz and its minions.
Disintegrate 50 or more enemies.
Have your Paladins perform 100 Holy Strikes.
Have your Paladins heal a total of 7.000 life.
Help Fredo escape.
Change soldiers' rally point 200 times.
Earn 45 stars.
Do not let The Kingpin escape.
Teleport 250 or more enemies.
Defeat Gul'Thak and its minions.
Throw 500 or more axes.
Polymorph 50 enemies into sheep.
Kill 10.000 enemies.
Complete the campaign.
Defeat Vez'nan.
Build all 8 towers specializations.
Hold 500 or more enemies with Wrath of the Forest.
Earn 30 stars.
Kill 300 enemies with electricity.
Have your soldiers regenerate a total of 50.000 life.
Defeat J.T.
Have a single barbarian kill 10 enemies.
Train 1.00 soldiers.
Send 1.000 soldiers to their deaths.
Kill 100 enemies with meteor showers.
Kill 2.500 enemies
Have at least 3 Imperial Guards survive in the Citadel.
Defeat The Juggernaut
Train a hero up to max level.
Build 150 towers.
Upgrade all basic tower types to level3.
Sell 5 towers in a single mission.
Earn 15 stars.
Build 100 towers.
Kill 10 or more sheep with your hands.
Train a hero up to level 5.
Use Rain of Fire 5 times in a single stage.
Kill 500 enemies.
Open 5 information cards.
Build 30 towers.
Call 10 waves early.
Call a wave within 3 seconds of the icon showing up.
Call all waves early in a single mission.
Kill one enemy.