Welcome to Mythruna and its companion forums!
I don't normally play around with this version, but last i checked there wasn't flying. I also don't think there is mass block deleting either.
If you think this is awesome, look at his plans:
http://mythruna.com/forum/index.php?topic=502.0 (i keep this favorited)
This also helps:
http://mythruna.com/forum/index.php?topic=1084.0Enjoy your stay. If you're gonna build stuff, make sure you share some cool pics!