Gundam Seed Crossovers
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Gundam 00 SEED Destiny (English version) by silabc55 reviews
76 EC; 5 years have passed since the end of the Bloody Valentine War, despite the external appearance of peace and prosperity, the hatred and revanchism are still present between Naturals and Coordinators; however, a group seeks to put an end to this by force and bring the Earth and PLANT to their unification. They are Celestial Being.
Crossover - Gundam Seed & Gundam 00 - Rated: T - English - Adventure/Sci-Fi - Chapters: 13 - Words: 128,256 - Reviews: 57 - Favs: 60 - Follows: 65 - Updated: 11/20/2023 - Published: 2/11/2023 - Kira Y., Shinn A., Setsuna
Travels of the Mangekyo III: Gundam Seed Destiny by kopakanuvafan20 reviews
The next installment of Travels of the Mangekyo. Itachi woke up in the cockpit of the Impulse during the battle with the Zamza-Zah.
Crossover - Naruto & Gundam Seed - Rated: T - English - Sci-Fi - Chapters: 9 - Words: 15,738 - Reviews: 15 - Favs: 79 - Follows: 72 - Updated: 11/6/2023 - Published: 3/4/2020 - Itachi U., Cagalli Y. A., Lacus C., Stellar L. - Complete
Guidance by Shinn of Destiny reviews
A retelling of Seed Destiny with a twist. Shinn Asuka's path was set in stone yet by some divine intervention, his story is reset. With the assistance of two Newtypes, just how much will it change?
Crossover - Gundam UC & Gundam Seed - Rated: M - English - Hurt/Comfort/Family - Chapters: 7 - Words: 21,346 - Reviews: 6 - Favs: 27 - Follows: 37 - Updated: 11/2/2023 - Published: 11/26/2021 - Elpeo P., Puru Two, Kira Y., Shinn A.
Taking on Responsibility by Zm93 reviews
World seems to be set upon destruction. Not when a dead fish eyed youngster from Japan is in the mix. AU from Gundam Seed Episode 49 onwards
Crossover - Gundam Seed & My Teen Romantic Comedy SNAFU/やはり俺の青春ラブコメはまちがっている - Rated: T - English - Sci-Fi - Chapters: 8 - Words: 8,041 - Reviews: 24 - Favs: 59 - Follows: 73 - Updated: 10/20/2023 - Published: 4/3/2021 - Natarle B., Hachiman H.
Gundam seed: Tiberium wars by micelzod reviews
70 CE war has been declared after a terrorist attack wiped out the leaders of the United Nations between the Earth Alliance and PLANT but the first shot has yet to be fired. What will happen when suddenly another more militant version of the UN from another reality arrives unforeseen? Will the ideals of the UN hold true or will there be nothing but war in the future. (owned by BKN)
Crossover - Command & Conquer & Gundam Seed - Rated: M - English - Sci-Fi/Horror - Chapters: 5 - Words: 46,319 - Reviews: 17 - Favs: 35 - Follows: 44 - Updated: 9/24/2023 - Published: 11/2/2022
A Metal Guardian Side Story: The War to End Wars by JawsOnYou67
The Final Conflict of Mankind, or what certain Indvidual's wish to be the ending to Mankind's constant fighting spirit. One wishes to see it snuffed out. One wishes to see humanity advance beyond Earth. One wishes for its extermination. Three men now face one another as madness sweeps the Earth Sphere and the Three Nations Alliance seeks to contain the death. Rise! Oh Gundam!
Crossover - Gundam UC & Gundam Seed - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,356 - Favs: 10 - Follows: 7 - Published: 9/5/2023 - Char A., Rau L. C.
Transformers: Seed and Destiny by scouttroop reviews
The world of Cosmic Era continues the long Bloody Valentine War, but the Decepticons return as well as a resurgences Unicron. Soon alliances will be formed to stop both evil human factions and Unicron from achieving their goals. In Seed Destiny, when a second war erupts it's up to heroes to end it, also Unicron awaits Resurrection in secret, plus the return of the Autobots.
Crossover - Transformers/Beast Wars & Gundam Seed - Rated: T - English - Sci-Fi/Romance - Chapters: 27 - Words: 33,181 - Reviews: 35 - Favs: 32 - Follows: 32 - Updated: 8/18/2023 - Published: 5/18/2019 - [Lacus C., Kira Y.] Nemesis Prime, Nova Prime
A new reason to live by Proxy4818 reviews
Upon investigating an anomaly Heero Yuy finds himself thrust into an entirely new world, left with no direction he must figure out where he's suppose to head going forward, does he simply live the life of a soldier or find a more meaningful purpose in living?
Crossover - Gundam Wing/AC & Gundam Seed - Rated: T - English - Romance/Sci-Fi - Chapters: 5 - Words: 52,725 - Reviews: 22 - Favs: 75 - Follows: 94 - Updated: 7/14/2023 - Published: 5/2/2023 - [Heero Y., Lacus C.]
Naruto X Gundam seed destiny by Theanimegameguy123 reviews
a sequel to my first story please leave a like and review and a comments
Crossover - Naruto & Gundam Seed - Rated: M - English - Sci-Fi/Romance - Chapters: 21 - Words: 14,785 - Reviews: 45 - Favs: 20 - Follows: 16 - Updated: 5/26/2023 - Published: 3/23/2022 - Complete
The Ultimate Knights And Magic by Hector Flores reviews
As the goddess was about to send her two most efficient servants to help another world, she discovered another god had sent more souls to that world to cause chaos and war. Warning them of this she sent them to protect that world.
Crossover - Gundam Seed & Knight's & Magic/ナイツ&マジック - Rated: M - English - Humor/Adventure - Chapters: 4 - Words: 17,185 - Reviews: 2 - Favs: 29 - Follows: 28 - Updated: 5/17/2023 - Published: 6/16/2022 - OC
Accidental Sharingan by kopakanuvafan20 reviews
After Kira destroyed the Blitz he unlocked something he received by accident when he was made the Ultimate Coordinator. The Mangekyo Sharingan.
Crossover - Naruto & Gundam Seed - Rated: M - English - Sci-Fi - Chapters: 37 - Words: 63,005 - Reviews: 107 - Favs: 213 - Follows: 217 - Updated: 5/17/2023 - Published: 11/8/2008 - [Tenten, Kira Y., Lacus C.] - Complete
Crapsack World for Children by Split-Girl reviews
Meer wondered what she got herself into. Yes she died to save Lacus, but she didn't expect to be reborn in an alternate earth where it's not Cosmic Era, but Post-Calamity. She lives in Mars as an orphan child in luxury before horrifying betrayal. She wondered this was her own Karma for her past actions which she accepts. but her new body has a huge shadow behind her it seems!
Crossover - Gundam Seed & Mobile Suit Gundam: Iron-Blooded Orphans - Rated: M - English - Friendship/Crime - Chapters: 2 - Words: 5,845 - Reviews: 5 - Favs: 48 - Follows: 52 - Updated: 5/6/2023 - Published: 5/5/2023 - Meer C.
Those Who Pursue Unicorns by CSS Stravag reviews
Joker's Wild Set 2 Side Story. Split up before the Mjolnr was lost in time and space, two Gundam pilots get a golden opportunity to reunite in the Cosmic Era. The reunion of two old friends and loves will leave a mark on others in the Cosmic Era, and create an echo into the uncertain future for everyone involved. Rated M: V, L, SC.
Crossover - Anime X-overs & Gundam Seed - Rated: M - English - Sci-Fi/Romance - Chapters: 2 - Words: 30,367 - Reviews: 1 - Favs: 14 - Follows: 12 - Updated: 4/23/2023 - Published: 7/10/2021
Comprehensive Timeline: Metal Guardian by JawsOnYou67 reviews
The Universal Century, only a few short years ago humanity nearly eradicated itself to the tune of a madman, now it spreads, free of most of its old hatred. Yet the galaxy won't let them rest. Humanity has finally formed into a single cohesive group of men, women, machines, and even a breed of aliens! Yet as humanity spreads through the stars, they encounter their own selection of
Crossover - Gundam UC & Gundam Seed - Rated: K+ - English - Sci-Fi/Drama - Chapters: 8 - Words: 6,498 - Reviews: 3 - Favs: 19 - Follows: 16 - Updated: 3/22/2023 - Published: 12/13/2022 - Amuro R., Char A., Kira Y., Lacus C.
The Power the Dark Lord knows not is a Gundam! by kopakanuvafan20 reviews
Harry and Ginny performed a spell to go back in time. But instead they appeared on Heliopolis the day ZAFT attacked.
Crossover - Harry Potter & Gundam Seed - Rated: T - English - Sci-Fi - Chapters: 18 - Words: 31,769 - Reviews: 150 - Favs: 378 - Follows: 410 - Updated: 2/20/2023 - Published: 8/11/2008 - [Ginny W., Harry P.] [Kira Y., Lacus C.]
Code Gundam: A forgotten reality by Fallon 35 reviews
In a alternate world where bitannia nor Knightmare frame's exist but is replaced with mobile suits and geass is replaced with new-types. suzaku now leads the rebellion while lelouch leads a cold war it all takes up to one man to change the world (HIATUS)
Crossover - Code Geass & Gundam Seed - Rated: T - English - Sci-Fi/Drama - Chapters: 7 - Words: 57,691 - Reviews: 5 - Favs: 19 - Follows: 15 - Updated: 2/14/2023 - Published: 1/8/2022
Suzaku has No Time to Die(he used to at least) by ToumaxRindo
AU where Suzaku is the brother of Kira Yamato from Gundam SEED and pilots the Strike Gundam. Takes place some time after Lelouch of the Res. I suck at summaries but the story is pretty close to the ending of 007 No time to die. Except Suzaku's 007 and he has a few more requests. Warning: Character death. (I know the cover picture doesn't show the correct MS. Just pretend it does.)
Crossover - Gundam Seed & Code Geass - Rated: K+ - English - Angst/Tragedy - Chapters: 1 - Words: 1,937 - Favs: 2 - Follows: 1 - Published: 1/16/2023 - Complete
Mobile Suit Gundam : The Reborn Moonlight by Genthar reviews
On one side, a boy who simply wishes to be with the girl he loves. On the other side, a madman who once tried to rule over the world. One chases after the future, while the other clings to the past. The stories of these two men intersects when they both found themselves forced to work together to survive the impending war. [Crossover between Gundam X, Gundam 00, and Gundam SEED]
Crossover - Gundam Seed & Gundam 00 - Rated: T - English - Sci-Fi/Adventure - Chapters: 3 - Words: 14,664 - Reviews: 13 - Favs: 35 - Follows: 37 - Updated: 12/30/2022 - Published: 7/30/2022 - Ribbons
The Dilemma of Flay Allster Revised by CSS Stravag reviews
Side Story of Joker's Wild Set 2. Chapter 15 UP! Flay Allster, terminally confused from the events of the First Valentine War, becomes a sleeper agent for Blue Cosmos in the lands of the hated enemy, Mendel. Will she go as far as her handlers want, or walk away from the hatred she held in the first war?
Crossover - Tom Clancy & Gundam Seed - Rated: T - English - Suspense/Sci-Fi - Chapters: 15 - Words: 261,301 - Reviews: 58 - Favs: 38 - Follows: 34 - Updated: 11/20/2022 - Published: 11/15/2010 - [Flay A., Orga S.] [Stellar L., Shani A.] - Complete
GUNDAM Convergence by Ezekiel Zeta Stigma reviews
When Celestial Being tests out the 0-Raiser for the first time, they end up in another space, at another time, beyond another Earth and soon embroiled in a full-blown war. As the crew of the Ptolemy attempts to find out what happened and how to get back, Kira and his friends aboard the Archangel struggle to stay alive in hopes of returning to Earth.
Crossover - Gundam Seed & Gundam 00 - Rated: T - English - Sci-Fi - Chapters: 11 - Words: 101,254 - Reviews: 64 - Favs: 170 - Follows: 205 - Updated: 11/9/2022 - Published: 10/17/2021 - Kira Y., Setsuna
A New Battleground by DarkChaosDragon00 reviews
An unfortunate incident sends Preventor agent Ice to another world. Will he fight of fall?
Crossover - Gundam Wing/AC & Gundam Seed - Rated: T - English - Adventure/Sci-Fi - Chapters: 12 - Words: 12,233 - Reviews: 3 - Favs: 13 - Follows: 17 - Updated: 10/30/2022 - Published: 12/23/2020 - OC
Gundam Agito Seed: Destiny by JAGA03 reviews
A sequel to Gundam Agito SEED: Instead of dying due to GENESIS or 'waking up' Anthony Hitoro found himself transported once more. But this time to his dismay he is in the canon sequel of Gundam SEED, now he must interact with the same people again, but people who have had nothing to do with him nor his experiences with them in the nine months during the war.
Crossover - Gundam Seed & Gundam Build Fighters/ガンダムビルドファイターズ - Rated: M - English - Sci-Fi/Romance - Chapters: 5 - Words: 23,887 - Reviews: 24 - Favs: 56 - Follows: 62 - Updated: 10/26/2022 - Published: 10/2/2022 - Yzak J., OC
Gundam SEEDs of Evil by Knightwolf1875 reviews
Evil from the world of D&D targets a GBN Diver for reasons only they understand. They mess with one of the story missions in hopes of getting rid of her. However, Xalros has some skill in dealing with D&D troubles. Will it be enough to save herself, the people of Gundam SEED, GBN, and the realms of Dungeons and Dragons?
Crossover - Gundam Seed & Gundam Build Divers/ガンダムビルドダイバーズ - Rated: M - English - Sci-Fi/Adventure - Chapters: 7 - Words: 26,289 - Reviews: 3 - Favs: 8 - Follows: 8 - Updated: 10/19/2022 - Published: 8/16/2022
Omoi's Secret by kopakanuvafan20 reviews
Omoi has a secret that only his teammates and the Raikage know. His real name is Kira Yamato.
Crossover - Naruto & Gundam Seed - Rated: T - English - Sci-Fi - Chapters: 12 - Words: 19,779 - Reviews: 5 - Favs: 57 - Follows: 54 - Updated: 10/3/2022 - Published: 5/30/2011 - [Samui, Kira Y., Karui]
Story Ideas by Strikefreedom10 reviews
The title says it all, this is a collection of story ideas that I come up with and then post as I do not have the time or the energy to purseue these story ideas, but I think they still deserve to be made into full stories.
Crossover - Halo & Gundam Seed - Rated: T - English - Chapters: 1 - Words: 161 - Reviews: 15 - Favs: 22 - Follows: 15 - Updated: 9/30/2022 - Published: 3/13/2019 - Master Chief/John-117, Kira Y., Lacus C.
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