Thank you! Well, normally a secret is a secret because only I know it.. well....
I found another little '
secret' with currently 45 Views
Answers all my Questions.
BTW: I did not know and maybe if someone reads this:
To fly through your localhost map type
sv_cheats 1
then
noclip
to turn it off
noclip 0
Then take a permanentmarker and write
NOOB on your forehead. Helped me.