There are no aliens on Battlestar Galactica. There are humans and cylons.
Collaborators - Battlestar Galactica - was created on 2006-10-27.
The Passage - Battlestar Galactica - was created on 2006-12-08.
The Road Less Traveled - Battlestar Galactica - was created on 2008-05-02.
Battlestar Galactica Online is a browser game; it does not require a download for you to play it, however, to play Battlestar Galactica Online, you must have Unity Player or download it from the link on Battlestar Galactica Online's home site. (It's free)
Zac - Battlestar Galactica - was created in 1978.
Home - Battlestar Galactica - was created on 2005-08-19.
Precipice - Battlestar Galactica - was created on 2006-10-06.
Battlestar Galactica - TV miniseries - ended in 2003.
Fragged - Battlestar Galactica - was created on 2005-07-29.
Spaceball - Battlestar Galactica - was created on 1980-03-30.
Sacrifice - Battlestar Galactica - was created on 2006-02-10.
Pegasus - Battlestar Galactica - was created on 2005-09-23.
Revelations - Battlestar Galactica - was created on 2008-06-13.
Litmus - Battlestar Galactica - was created on 2004-11-22.
The Oath - Battlestar Galactica - was created on 2009-01-30.
Scattered - Battlestar Galactica - was created on 2005-07-15.