Full list of all 21 Lord of the Click achievements worth 1,000 gamerscore. It takes around 1-2 hours to unlock all of the achievements on Xbox One.
Purchased 1000 units
Pressed the buttons for 7777 times
Defeated 200 flying enemies
Pressed the buttons for 4000 times
Completed the game
Purchased 500 units
Defeat invader (Beat level 6)
Defeated 500 enemies
Defeat samurai (Beat level 5)
Purchased 250 units
Defeat vampires (Beat level 4)
Collected 500 coins
Pressed the buttons for 1000 times
Collected 250 coins
Defeat demons (Beat level 3)
Purchased a coin grabber
Defeated goblins
Built a windmill
Built a mine
Purchased all unit creation speed-up upgrades
Purchased all tower upgrades