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
Doobydoobydabbadoobydabadooda bedigabibblebede, It's a secret!
Okay why?
Click…
Click the button 10000 times
Huh, I didn’t know that it was possible to win in console… cool
Slooooooooooooo
I can work with that
Click the button 1000 times
You dirty little hacker ;)
Click the button
Again?
Finally
Wow that was fast