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