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