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Stargate: The Twelve Colonies by
Seraphin2011 reviews
The Cylons are preparing to attack the Colonies, and they are determined to end all human existence once and for all. But the Cylons don't know the Terrans have learned about their attack, and they will not stay idle and let the Cylons commit such atrocity, not if they can help it. This is a spin-off from the other story I'm writing, splitting around the half of the second book.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Adventure - Chapters: 30 - Words: 237,748 - Reviews: 884 - Favs: 761 - Follows: 1,002 - Updated: 8/4 - Published: 5/21/2013
The Circle Must be Broken by
Todeswind reviews
Babylon five is a haven for warriors, idealists, dreamers, and wanderers. How much damage can one more ship of fanatics do in the long run?
Crossover - Babylon 5 & Warhammer - Rated: M - English - Mystery/Adventure - Chapters: 22 - Words: 490,554 - Reviews: 298 - Favs: 343 - Follows: 330 - Updated: 2/28/2017 - Published: 8/30/2010
Stargate: The Second Great Alliance by
Seraphin2011 reviews
With the Second Great Alliance finally being formed, the Guardians, the Terrans, the Asgard and the Nox are set out to bring everlasting peace and prosperity to the region of space they inhabit. A task not easy to accomplish when faced by so many, old and new, enemies constantly trying to destroy them with every means at their disposal.
Stargate: SG-1 - Rated: T - English - Sci-Fi/Adventure - Chapters: 42 - Words: 458,330 - Reviews: 662 - Favs: 567 - Follows: 525 - Updated: 1/5/2017 - Published: 9/14/2012 - J. O'Neill - Complete
Halo: New Horizons by
creamofwheat2311 reviews
In 2559, and the UNSC has discovered a large anomaly on the edge of the galactic rim. What it turns out to be has the potential to change history, but maybe not in the way the UNSC intended. Meanwhile, with the first Death Star destroyed, the Rebel Alliance is desperately trying to overthrow the Empire, but it will take the help of new allies to liberate the galaxy. Discontinued.
Crossover - Star Wars & Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 23 - Words: 155,262 - Reviews: 942 - Favs: 1,070 - Follows: 1,106 - Updated: 9/30/2016 - Published: 11/1/2012 - Luke S., G. Marek/Starkiller, T. Lasky - Complete
A Universe of Change: by Candlelight Defiance by
AlbertG reviews
Book IV. The Enterprise-D and the Enterprise-C started a chain of events that would propel both ships into a universe they never imagined. Now three years later, Earth Alliance, the Minbari, the Centauri and everyone else are embroiled in a war they never imagined, fighting against insane First Ones from some Thirdspace!
TV X-overs - Rated: K+ - English - Sci-Fi/Adventure - Chapters: 10 - Words: 69,619 - Reviews: 102 - Favs: 131 - Follows: 147 - Updated: 3/16/2016 - Published: 6/15/2013
Halo: the Art of War by
Havoc-legionnaire reviews
AU. One small divergence, the smallest of errors, and the balance of fate tips. It is 2552. Reach is spared, for now. Operation Red Flag goes forth. The Covenant will learn that this war that they have started 27 years ago have only just begun.
Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 35 - Words: 181,676 - Reviews: 859 - Favs: 1,260 - Follows: 1,303 - Updated: 2/27/2016 - Published: 10/2/2010 - Master Chief/John-117, Prophet of Truth
The Alliance Wars by
vliegenvanger reviews
this is a general continuation of BSG 16, Under Siege and TFS Ticonderoga. I have changed several other things. although this story is categorized as crossover, it will mainly deal with the SG side and a bit of BSG. now includes the Ori
Crossover - Stargate: Atlantis & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 21 - Words: 233,843 - Reviews: 155 - Favs: 164 - Follows: 191 - Updated: 12/5/2015 - Published: 3/31/2010
A Brutal Truth by
BIG Z1776 reviews
What are the chances of a technical screw-up bringing Earth and the Colonies together? Not very high, at least that's what Lt. Kelsey Adama thought. Yet, here she is, on the brink of history where two supposedly long lost tribes of man are reunited. But when both sides have not seen one another for thousands of years and one has no intention of playing by the rules things get messy
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Adventure/Sci-Fi - Chapters: 35 - Words: 211,291 - Reviews: 1040 - Favs: 744 - Follows: 745 - Updated: 2/17/2015 - Published: 4/30/2013 - Complete
The Ongoing Journey by
Senrab Nomis reviews
Atlantis has been on Earth for two months. Now the gang are eager to get back to Pegasus and to take the city they call home with them. But the Pegasus galaxy has more secrets than they imagine and many hidden threats. They will soon learn there are things hiding in the shadows that they never expected to encounter. AU. Chapter 1 now rewritten.
Stargate: Atlantis - Rated: T - English - Sci-Fi/Adventure - Chapters: 90 - Words: 447,198 - Reviews: 876 - Favs: 443 - Follows: 479 - Updated: 12/25/2014 - Published: 8/14/2010
Stargate: The Rise of Terra by
Lord Knightsky reviews
With Earth in the possession of the Asgard Core as well as Atlantis and the Alteran Database on Earth it is now time for humanity to unite. Terra will rise to follow in the wake of the Ancients and travel the Universe to discover its secrets.
Crossover - Stargate: SG-1 & Stargate: Atlantis - Rated: T - English - Adventure/Sci-Fi - Chapters: 8 - Words: 56,270 - Reviews: 52 - Favs: 196 - Follows: 253 - Updated: 3/13/2014 - Published: 4/25/2012 - J. O'Neill, S. Carter/Sam
A Life More Ordinary by
JA Baker reviews
Sequel to Red In Tooth And Claw: Twenty years ago, two of humanities greatest heroes (and one of their smartest scientists) gave their lives to save the galaxy. Or at least, that's what everyone was supposed to believe...
Crossover - Halo & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi/Drama - Chapters: 6 - Words: 13,474 - Reviews: 87 - Favs: 235 - Follows: 227 - Updated: 1/15/2014 - Published: 2/22/2013 - [Master Chief/John-117, Cortana] C. Halsey - Complete
Reunions are a Deleted by
Bob Regent reviews
Name amended due to guidelines. A clash of ideologies will cause widespread death and destruction for two races both alike and strange to the other. SG1nBSG xover
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 27 - Words: 349,784 - Reviews: 996 - Favs: 1,321 - Follows: 1,300 - Updated: 11/23/2013 - Published: 5/19/2007
A Fighting Chance by
Lord of Misrule reviews
An Alternate history of the Earth Minbari war. Earth finds an unexpected ally who provides a way to beat Minbari Stealth giving humanity a chance to fight back.
Babylon 5 - Rated: T - English - Sci-Fi/Drama - Chapters: 14 - Words: 95,817 - Reviews: 180 - Favs: 442 - Follows: 421 - Updated: 10/13/2013 - Published: 9/25/2011
Halo: A New Age by
xpredatorx reviews
In the 26th century humanity along with the sangheili, san'shyuum formed the Orion Systems Alliance the center of galactic government in the orion arm of the galaxy, soon the OSA will meet the citadel council and discover a billion year old secret.
Crossover - Halo & Mass Effect - Rated: T - English - Sci-Fi/Suspense - Chapters: 34 - Words: 225,340 - Reviews: 722 - Favs: 798 - Follows: 772 - Updated: 10/7/2013 - Published: 3/24/2012
Reclamation, Restoration, Redemption by
TheAmateur reviews
During the Great War, most Sangheili enter the Covenant military filled with religious fervor and devotion to the Prophets...but the veterans that leave the military are often cynical and jaded towards their leaders. How does this transformation occur?
Halo - Rated: T - English - Sci-Fi/Adventure - Chapters: 15 - Words: 84,516 - Reviews: 99 - Favs: 82 - Follows: 66 - Updated: 3/27/2013 - Published: 8/21/2011
The Fifth Race by
Lord Nomad reviews
Stargate SG1/Battlestar Galactica Crossover: Set after the movie "the Ark of Truth" and Season 3 of BSG. The remnants of the 12 colonies of Kobol are at the end of their journey and encounters the Fifth race.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Sci-Fi - Chapters: 16 - Words: 83,273 - Reviews: 259 - Favs: 521 - Follows: 620 - Updated: 2/28/2013 - Published: 3/24/2008
Over the Horizon by
Glennfiddich12 reviews
While on missions of discovery, two cultures meet and must face the challenges of their enemies and their pasts together. A Battlestar Galactica/Stargate crossover.
Crossover - Stargate: SG-1 & Battlestar Galactica: 2003 - Rated: T - English - Drama/Adventure - Chapters: 10 - Words: 197,463 - Reviews: 418 - Favs: 550 - Follows: 675 - Updated: 12/31/2012 - Published: 2/22/2010
Raven Squadron: Pandora Protocols by
Dark Gear reviews
They thought she was dead, but one man and a group thought to be gone have come back to save her, and help turn the tide against a nigh unstoppable threat. He isn't a soldier, or a pilot, and he fights without being seen.
Halo - Rated: T - English - Sci-Fi/Romance - Chapters: 25 - Words: 227,608 - Reviews: 76 - Favs: 67 - Follows: 48 - Updated: 4/27/2012 - Published: 11/30/2011 - Complete