Here is the full list of all 8 THE BUTTON achievements.
Somehow click 10,000 times.
Click 1,000 Times
Click 100 times
Reached 69 clicks.
Click 50,000 times!
Click 100,000 times?!
Click 500,000 times?! How did you do that!!??
You clicked the fart button! Isn't that so funny??? HAHAHAHAHAHA