lil questions to help me trhu this journey

uh… so, im triyng monogame out for the 1st time and i wanna know about :
1 : if i can rename the game1.cs file to another thing?
2 : some good librires (like physic, particles, UI, etc)
3 : can i use voids that are on Game1.cs (like Update and LoadContent) in other scripts?

ty for the patience :3

  1. Yes you can.
  2. Yes, check this out https://github.com/aloisdeniel/awesome-monogame. Mostly you can use any C# library.
  3. Yes, absolutely, without any question, YES!