Besiege is a space based real time strategy game where you conquer planets to let them produce new ships (and eventually research new technologies for you). Somewhat inspired by Eufloria and Galcon.
The description resembles Qonk.
The project did one thing that I think is very, very right: BIG SCREENSHOT ON FRONT PAGE.
The ardor3d game runs on Linux this way:
java -Djava.library.path=native -cp lib/*:Besiege.jar net.playbesiege.Besiege