Here is the full list of all 16 True Idle Simulator achievements.
You might reconsider what you are doing with Your life
Be Idle at least 5 times during Your boring life
Please stop, before it's too late
Nice, it took some dedication to get here
You're getting the hang of this
Got yourself a coffee? You're gonna need it
Not that hard is it?
Come back to the game
You are crazy. Don't go further please. I worry about you
Reset the game 100 times?
If you didn't cheat, I don't believe you