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.
Completed the game
Defeat invader (Beat level 6)
Purchased 1000 units
Defeat samurai (Beat level 5)
Purchased a coin grabber
Pressed the buttons for 7777 times
Purchased 500 units
Defeated 500 enemies
Defeat vampires (Beat level 4)
Defeated 200 flying enemies
Purchased 250 units
Collected 500 coins
Pressed the buttons for 4000 times
Defeat demons (Beat level 3)
Collected 250 coins
Defeated goblins
Pressed the buttons for 1000 times
Built a windmill
Built a mine
Purchased all unit creation speed-up upgrades
Purchased all tower upgrades