What would Satan's world be like?

How it's described in the Bible. Hell isn't a punishment—at least not by essence. Hell is essentially a place where God gives people what they want by leaving them alone and not getting involved with their life or soul. The result is Hell.

Heaven.

Watch the Adam Sandler movie "Little Nicky" you will see LMAO 😈

Lots of rotten people he's come to the right place..

I think it's called Hell

This