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
That’s too much! I don’t know if I can pay for this
KALM DOWN! YOU GONNA DOWNLOAD THE ENTIRE INTERNET
That’s Mega
Get 100 points in the game
Now you can make Loading great again
Click the button 10000 times
Doobydoobydabbadoobydabadooda bedigabibblebede, It's a secret!
Huh, I didn’t know that it was possible to win in console… cool
Okay why?
Click…
Again?
I can work with that
Slooooooooooooo
Click the button 1000 times
You dirty little hacker ;)
Finally
Wow that was fast
Click the button