Build a colony in gas giant skies. Gas is very powerful resource. You need to build gas "mine" station to use gas giant hidden power. In this simulator you can build:

-Refining industrial city. Dark city with many 'comrades' inside.
-hi tech research labs city. Develop new cutting-edge technologies to use gas more efficiently.
-City-Hotel. Construct a dream hotel above the giant planet
-Army outpost city. Use your labs to develop new weapons, and declare war to space.

Restore your gas empire and assault earth or try to colonize other systems.

Game is in active development.