1.https://powdertoy.co.uk/Discussions/Thread/View.html?Thread=20856
4. Because they think nobody will find out.
5. Oldest versions available here: https://powdertoy.co.uk/Download/Older.html
6. Nuclear fusion in TPT can only fuse up to OXYG
Yep. I can't answer all the questions :)
Lockheedmartin:
6. Keep the number of logos and signs to a minimum. They not only slow the game down, but can also make saves unappealing for people to use.
Save Uploading Guidelines, http://tpt.io/:17086
How do i go to create something
Don't worry about making it look the best, it takes alot of time and practice. Its like riding a bike. My first save took me a couple hours and I still look back at it and wonder how I got this far. Start of editing and improving other peoples saves(just give credit, don't just copy and paste other peoples work without giving credit; give credit where it is due)