* Denotes not working

TRANSPORTS
Maproom
Spaceport

SYSTEMS
Ringworld system

MAPS
*Ringworld map
*Islandia system

HABITATS
City
*Fun Street
Resort
Maze

BUILDINGS
Comedy Club

With the exception of funstreet, and maze all of these can be finished in short order.
Also available--
Playground
Above and Below
Future plans include:
Casino
Middle Earth