Here is the full list of all 8 THE BUTTON achievements.
Click 100 times
Click 1,000 Times
Somehow click 10,000 times.
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
Reached 69 clicks.