Here is the full list of all 9 The Most Boring Game Ever achievements. It takes around 2-3 hours to unlock all of the achievements on Windows.
500,000...YOU ARE... A GOD
100,000. You still having fun? I hope so.
10,000...Are you ok? Do you need help?
1000!? How are you finding this fun?
666! The Devil's number!
500! Keep Going!
420! Grass Lover!
Welcome to number 100.
1! Welcome to The Most Boring Game Ever no turning back now.