Cronus (For Newbies)
Enter level-20 ElvenCity through the bottom-right portal.

MistyMarsh
Enter level-40 Gobi Desert through the bottom-left portal. The bottom-right portal leads to level-70 Island. Enter HeartLake through the top-left portal, where connects level-80 IcyLand.

GobiDesert
Enter level-60 DarkMarsh through the bottom-left portal.

DarkMarsh
Enter level-80 IcyLand through the teleporter.

Island

IcyLand
Enter Star-monster Zones through the teleporter.

Volcano
Enter Star-monster Zones through Cliff (984,329).