Here is the full list of all 20 Loading Screen Simulator achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Your PC is slowly sucking in the universe
Get 100 points in the game
That’s Mega
That’s too much! I don’t know if I can pay for this
KALM DOWN! YOU GONNA DOWNLOAD THE ENTIRE INTERNET
Now you can make Loading great again
Click the button 10000 times
Okay why?
Again?
Wow that was fast
Finally
Doobydoobydabbadoobydabadooda bedigabibblebede, It's a secret!
You dirty little hacker ;)
Click…
I can work with that
Huh, I didn’t know that it was possible to win in console… cool
Click the button 1000 times
Slooooooooooooo
Click the button