Just head back to the lab and then go into the machine again.
I don't think you can
The current version still has far to go, if the regular release of islands (2009-2010) is any indication.
You can restart any island by using the small island map at the upper right. There is a "restart island" button on the map that will erase all items and start the island over completely. You cannot,...
The Great Wall of China is at 1593 AD, which is 6 o'clock on the time device.
im not sure which scorpian but for mythology island you get the scorpian 2 follow you back 2 the wall then u run and jump past it