After I was recently reminded of the vast treasure trove of SGA fic, I spent some time updating my bookmarks with working links where possible, and that of course led to me rereading many fics, and suddenly the month is almost over before I could get a proper list together, so just have some of my favorites. Still themed though because I'm not in the mood for the effort it would take to shut up the little voice in my head saying that's required for a proper rec list: Stargate 'verse crossovers with significant pre-canon canon divergences. These also happen to be some of my favorite SGA fics.
Retrograde series by
LtLJ
107k (main series) + 22k of extras, mostly gen, SGA/SG-1 crossover, canon divergence AU
Summary: The Atlantis expedition has been lost for three years. SG-1 goes to find them, and arrives just a little too late.
Why I love it: I love (real and perceived) betrayal stories so this was already catnip to me - something which applies to all of these, come to think of it. Also some good old-fashioned whump, action, rescues, bonding, plot, comfort... So, so good. Very high up on my list of favorite fics I've read.
Gypsies, Pirates, and Thieves by
auburn
372.2k, John/Rodney/Vala, SGA/SG-1 crossover, canon divergence AU
Summary: Vala Mal Doran and her partners, renegades Jehan abd-Ba'al and Meredith McKay, hijack the Tau'ri ship Prometheus and leave the Milky Way behind in search of the Lost City of the Ancients, Atlantis.
Why I love it: Action, rescues, bonding, plot, this time with a touch more past trauma and codependency and a larger cast. The second part in the series is my favorite (and the one I've reread most often, though that's also because it's significantly shorter then the others.)
Raiders of the Seven Systems by
LtLJ
32.2k, gen, SGA/SG-1/Firefly crossover, canon divergence AU
Summary: John Sheppard leads a crew of Athosian space pirates in the Pegasus Galaxy. They rescue Earth refugees Rodney McKay and Sam Carter, but then things get complicated.
Why I like it: Space pirates! Also Zoe Washburn is there. This is kind of the space pirate!John version of Retrograde, at least vibes-wise, and I am here for it.
Unnatural Selection by
auburn
164.4k, John/Todd & John/Rodney, SGA/SG-1/SGU crossover, canon divergence AU
Summary:Human error, operant conditioning, survival instinct and evolution as horror. An examination of the SGC's failure to anticipate and prevent the losses of Atlantis and the Alterran survey ship Destiny. One year after the first, the second Earth Expedition to Wraith-occupied Atlantis is diverted to an Ancient ship and struggles to survive with no way home and enemies within, while John Sheppard, considered a traitor by everyone who once knew him, tries to hold onto what humanity he has left and save them all.
Why I like it: Featuring the horrors of being marooned on a space ship that's falling apart with people you can't trust and struggling to survive, Wraith xenobiology and worldbuilding, transformation/body horror, and much more in a delicious mix.
Retrograde series by
107k (main series) + 22k of extras, mostly gen, SGA/SG-1 crossover, canon divergence AU
Summary: The Atlantis expedition has been lost for three years. SG-1 goes to find them, and arrives just a little too late.
Why I love it: I love (real and perceived) betrayal stories so this was already catnip to me - something which applies to all of these, come to think of it. Also some good old-fashioned whump, action, rescues, bonding, plot, comfort... So, so good. Very high up on my list of favorite fics I've read.
Gypsies, Pirates, and Thieves by
372.2k, John/Rodney/Vala, SGA/SG-1 crossover, canon divergence AU
Summary: Vala Mal Doran and her partners, renegades Jehan abd-Ba'al and Meredith McKay, hijack the Tau'ri ship Prometheus and leave the Milky Way behind in search of the Lost City of the Ancients, Atlantis.
Why I love it: Action, rescues, bonding, plot, this time with a touch more past trauma and codependency and a larger cast. The second part in the series is my favorite (and the one I've reread most often, though that's also because it's significantly shorter then the others.)
Raiders of the Seven Systems by
32.2k, gen, SGA/SG-1/Firefly crossover, canon divergence AU
Summary: John Sheppard leads a crew of Athosian space pirates in the Pegasus Galaxy. They rescue Earth refugees Rodney McKay and Sam Carter, but then things get complicated.
Why I like it: Space pirates! Also Zoe Washburn is there. This is kind of the space pirate!John version of Retrograde, at least vibes-wise, and I am here for it.
Unnatural Selection by
164.4k, John/Todd & John/Rodney, SGA/SG-1/SGU crossover, canon divergence AU
Summary:Human error, operant conditioning, survival instinct and evolution as horror. An examination of the SGC's failure to anticipate and prevent the losses of Atlantis and the Alterran survey ship Destiny. One year after the first, the second Earth Expedition to Wraith-occupied Atlantis is diverted to an Ancient ship and struggles to survive with no way home and enemies within, while John Sheppard, considered a traitor by everyone who once knew him, tries to hold onto what humanity he has left and save them all.
Why I like it: Featuring the horrors of being marooned on a space ship that's falling apart with people you can't trust and struggling to survive, Wraith xenobiology and worldbuilding, transformation/body horror, and much more in a delicious mix.