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Code Dino Crisis by Kaiju Slayer 9117 reviews
In the 21st century, mankind fought for the right to resources, which have left portions of earth ruined. As a result, some scientists have turned to Sakuradite as the main method of powering their devices, but Dr. Kirk proposed a clean, limitless energy, which he named Third Energy. Because of his breakthrough, many are out to steal his research, including the Black Knights.
Crossover - Dino Crisis & Code Geass - Rated: M - English - Horror/Sci-Fi - Chapters: 4 - Words: 43,812 - Reviews: 3 - Favs: 20 - Follows: 18 - Updated: 3h - Published: 3/24 - Lelouch L., Cornelia L.B., Marrybell mB.
The Road to Hell by Scapel reviews
Taylor Hebert after gold morning left powerless and raked by helplessness forced to live a meaningless life in Area 11 found meaning and purpose after one night of a return to normalcy (for her).
Crossover - Code Geass & Worm - Rated: T - English - Sci-Fi/Adventure - Chapters: 10 - Words: 67,920 - Reviews: 34 - Favs: 158 - Follows: 220 - Updated: 6h - Published: 9/18/2022 - Skitter
Command and Conquer: Azur Twilight by DieFinaleFlumen reviews
The famous GDI general was embroiled in a long journey the day before embarking on another road of no return. "Don't you think you are a failure?" McNeil looked at the cross-shaped scar on Lilin's hand thoughtfully. "I used to live in a place like apocalypse, what isn't a failure?" The fall of a hero. — English isn't my native language.
Crossover - Code Geass & Command & Conquer - Rated: T - English - Sci-Fi/Adventure - Chapters: 23 - Words: 54,976 - Reviews: 2 - Favs: 3 - Follows: 1 - Updated: 15h - Published: 9/27 - M. McNeil, Charles dB., A. Darlton, Gene S.
Code: DOOM by LCSkinner reviews
(REVISED) What if the origin of Geass came from an infernal place? And what if the Slayer was sent to stop an invasion before it began? Rated M for language and violence. Enjoy!
Crossover - Doom & Code Geass - Rated: M - English - Sci-Fi/Horror - Chapters: 5 - Words: 18,115 - Reviews: 2 - Favs: 10 - Follows: 8 - Published: 10/7 - Doomguy, Lelouch L., Suzaku K., C.C.
When Worlds Collide by StarKing28 reviews
Through the 21st century and in the early 22nd century, Charles led his nation through an era of peace, prosperity, and technological development. Although there were some conflicts along the way, the Empire stood strong and became a spacefaring nation along with its allies. However, that peace was shattered when a mysterious portal opened in Los Angeles in 2130s.
Crossover - Code Geass & Gate - Jietai Kare no Chi nite, Kaku Tatakeri - Rated: M - English - Sci-Fi/Fantasy - Chapters: 9 - Words: 105,967 - Reviews: 53 - Favs: 150 - Follows: 175 - Updated: 10/5 - Published: 4/3 - Lelouch L., Cornelia L.B., Rory, Pina
The Celestial Knights by Azure King and Azure Queen reviews
To obtain peace one must be willing to either destroy everything to protect it or the ability to reach an understanding. A young man would reach to stop a war before humanity loses the chance for perpetual peace. To achieve this he needs to reach towards the Heaven's and become something more than what he is to create a kind world. Naruto x Harem
Crossover - Naruto & Code Geass - Rated: M - English - Adventure/Romance - Chapters: 5 - Words: 52,334 - Reviews: 130 - Favs: 609 - Follows: 719 - Updated: 10/4 - Published: 7/11/2019 - Naruto U., C.C., Nunnally L., Tianzi
Code Prime - R2: Revolution by Iron117Prime reviews
Britannia has fallen, and the Decepticons are well on their way to the complete global domination of Earth. However, hope is not lost. Six months after the failed Black Rebellion, Zero and Optimus Prime have returned to finish what they've started. With their Autobot-Black Knight alliance grown with new additions, our heroes have ever intent on freeing Earth once and for all.
Crossover - Transformers/Beast Wars & Code Geass - Rated: T - English - Adventure - Chapters: 38 - Words: 569,677 - Reviews: 1645 - Favs: 874 - Follows: 787 - Updated: 10/3 - Published: 1/15/2021 - Bumblebee, Optimus Prime, Lelouch L., Kallen S. - Complete
A old threat rises form Old world by DemonLordFox
the world of Naruto reincarnation into the world of code geass.
Crossover - Naruto & Code Geass - Rated: T - English - Romance/Adventure - Chapters: 1 - Words: 1,395 - Favs: 1 - Follows: 1 - Published: 10/3
Arc-V: The Geass Switch by MoonlightWright reviews
Things weren't supposed to go this badly. All Zero had to do was trap the Lancelot on Shikine island and get Suzaku to join him, easy. So how in the world did Zero end up in another dimension? This new place is in the middle of a war sure, but they don't have guns. They have duels? And monsters? Whatever happened to chess! Well, at least Zero has a hobby, taking down Academia.
Crossover - Code Geass & Yu-Gi-Oh! Arc-V - Rated: M - English - Drama/Adventure - Chapters: 45 - Words: 568,868 - Reviews: 319 - Favs: 342 - Follows: 348 - Updated: 10/1 - Published: 7/14/2019 - Lelouch L., Zero, Yuto, Yuya S.
Justice League of the Rebellion R2 by patrickthenobleman reviews
The Empire has fallen, the League's unity is shattered, darkness gathers in strength as the world becomes more and more savage. The only hope Earth has is for one of their own to rise like a Bat Outta Hell to rally the League once more under the banner of Justice. Burdened with a dark glory he must press on to save the world. For beyond the Savage there is the God of Evil.
Crossover - Justice League & Code Geass - Rated: T - English - Adventure/Drama - Chapters: 17 - Words: 139,822 - Reviews: 77 - Favs: 84 - Follows: 79 - Updated: 9/30 - Published: 3/4/2022 - [Kallen S., Lelouch L.] Darkseid, Vandal Savage
Code Fantasy - R0: Warriors of Light by DarkFusion reviews
One year prior to his fated meeting that will grant him the Geass, Lelouch is offered power from a different Source in exchange for becoming a hero for more than just one world. In doing so he finds himself down a path of heroism that he will be anything but alone in walking, yet this path will lead into conflict with foes more fearsome than what Britannia could bring.
Crossover - Code Geass & Final Fantasy XIV - Rated: T - English - Fantasy/Adventure - Chapters: 6 - Words: 128,683 - Reviews: 36 - Favs: 111 - Follows: 143 - Updated: 9/30 - Published: 3/26/2022 - Lelouch L., Kallen S., Alphinaud L.
To Live and to Seek Forgiveness by AncientKeeperOfScrollsV2 reviews
Living was something he hadn't done. For as long as he could remember, a small cell was his home. Locked up like an animal, a weapon for his village to use at their command. But when he gains his freedom when thrown across the realities to a different world, he must learn how to live and seek forgiveness for failing his only friend.
Crossover - Naruto & Code Geass - Rated: M - English - Tragedy/Angst - Chapters: 6 - Words: 26,115 - Reviews: 59 - Favs: 122 - Follows: 162 - Updated: 9/29 - Published: 7/9 - Naruto U.
Code Geass Crossovers by chetkijleha
Just drafts that anyone can take as a basis and write from them
Crossover - Bleach & Code Geass - Rated: M - English - Chapters: 3 - Words: 2,492 - Follows: 2 - Updated: 9/26 - Published: 5/14/2022 - [Lelouch L., C.C.]
Mobile Tactical Armors, Earth-16 Lore & Data Guide by Epic Zealot Productions 2.0 reviews
A look into the mecha of Earth-16, from the widely deployed Tactical Strike Fighters and Knightmare Frames to the Panzer Soldats of Zemuria and the European Union, Mobile Tactical Armors are a global response to foreseen and unforeseen threats that humanity will have to face in the future. Part of a massive crossover project, full summary in the first chapter, Cross-posted on AO.
Crossover - Code Geass & Muv-Luv/マブラヴ - Rated: M - English - Sci-Fi/Fantasy - Chapters: 1 - Words: 4,175 - Reviews: 2 - Favs: 1 - Follows: 1 - Published: 9/23
Code Geass: The Grey Chessmen by Generatedname reviews
An unknown enemy encountered during a Refrain bust leads the newly formed Black Knights to a discovery that warns of a coming global catastrophe. The question is, will they be ready in time to face it?
Crossover - X-Com & Code Geass - Rated: T - English - Sci-Fi/Drama - Chapters: 5 - Words: 92,847 - Reviews: 44 - Favs: 71 - Follows: 90 - Updated: 9/22 - Published: 7/21 - Lelouch L.
In Search for an Answer by SnakeValerianSmash reviews
The hope of the old world from which I came had died, leaving only dust and ashes of its former home. but in this world he may find the answer he was looking for, along with these brats who keep pestering him about making a revolution against Britannia "Mr. Lynx can I have cookies?" "yes, only if you promise me that you will control your rebel brother"
Crossover - Armored Core & Code Geass - Rated: K - English - Sci-Fi/Drama - Chapters: 6 - Words: 33,019 - Reviews: 34 - Favs: 95 - Follows: 96 - Updated: 9/22 - Published: 6/4 - OC, Lelouch L., Nunnally L.
A Young Girl's Guerilla War by RagnartheSemiGreen reviews
Tanya dies in an artillery barrage on the Rhine Front, contrary to both her and Being X's plans. Unwilling to let his chew toy escape so easily, Being X reincarnates Tanya back into Japan... Six years before Britannia conquers Area 11. (First posted on Space Battles)
Crossover - Code Geass & Youjo Senki: Saga of Tanya the Evil - Rated: M - English - Adventure/Drama - Chapters: 35 - Words: 450,034 - Reviews: 264 - Favs: 914 - Follows: 1,077 - Updated: 9/17 - Published: 11/13/2021 - Lelouch L., Kallen S., Naoto S., Tanya
Code Geass: Lelouch of Divine Providence by Toa Solaric reviews
The tale of Lelouch's rebellion against Britannia take a different turn at the young age. The appearance of creatures known as Inves and Lockseeds will take a turn on the world. Now Lelouch gains the power to make his own destiny as he become the one who authority by the Divine Providence... Kamen Rider Zangetsu.
Crossover - Code Geass & Kamen Rider - Rated: T - English - Adventure/Drama - Chapters: 31 - Words: 267,267 - Reviews: 324 - Favs: 292 - Follows: 253 - Updated: 9/17 - Published: 2/28/2015 - [Lelouch L., Ayano K.]
The Heavenly Emperor by Dath Zion reviews
The Great War was long over, Heaven had lost and God couldn't accept it. He would not allow his ideals to fade so easily, not after all they had sacrificed. Thus, he enacted a desperate plan as he breathed his last on a desecrated dimension torn apart by war. Heaven needed a ruler more capable than Michael and what better king could the world offer than the Demon Emperor Lelouch.
Crossover - Code Geass & High School DxD/ハイスクールD×D - Rated: T - English - Adventure/Romance - Chapters: 8 - Words: 76,861 - Reviews: 412 - Favs: 1,266 - Follows: 1,579 - Updated: 9/17 - Published: 1/1/2022 - Lelouch L., Gabriel, Michael
A Certain Demon Emperor by Dath Zion reviews
It was known as mystery- something that fell outside the scope of common thinking, something incomprehensible and indecipherable to those bound by the laws of the world. Born into a world where the supernatural walk upon the earth, Lelouch found a new purpose for himself following his Zero Requiem. Would he destroy this world or would he create it anew?
Crossover - Code Geass & Toaru Majutsu no Index/とある魔術の禁書目録 - Rated: T - English - Supernatural/Adventure - Chapters: 17 - Words: 81,739 - Reviews: 86 - Favs: 298 - Follows: 357 - Updated: 9/17 - Published: 8/15/2022 - Lelouch L., Aiwass, Othinus, Coronzon
Metal Gear Geass: The Phantom Dogs by Enriks-Da-Writer reviews
Venom Snake has completed his mission and has died in Outer Heaven at the hands of Solid Snake. He thought that was the end for the Phantom. So when he wakes up in a new world along with Outer Heaven and with some old friends, he finds that his mission as Big Boss's Phantom has begun anew. This time, they will not be scattered to the heartless seas. This time, they will thrive.
Crossover - Metal Gear & Code Geass - Rated: M - English - Sci-Fi/Adventure - Chapters: 6 - Words: 72,059 - Reviews: 85 - Favs: 226 - Follows: 245 - Updated: 9/8 - Published: 2/6/2022 - Ocelot, Venom S., Lelouch L., Suzaku K.
Dark Knights: Souls of the Guardians (Rewrite) by Karndragon reviews
Takes place after the events in the Soul Society with Lelouch and his group ending up being sucked in but circumstances leads them to places they did not expect and they continue on they now confront and take on their enemies while settling things from their pasts continuing their paths as Shinigami. Sequel to Lelouch of the Shinigami Path. (A rewrite from the first one)
Crossover - Bleach & Code Geass - Rated: T - English - Adventure/Fantasy - Chapters: 17 - Words: 63,565 - Reviews: 35 - Favs: 101 - Follows: 100 - Updated: 9/7 - Published: 3/22/2021 - Ichigo K., Lelouch L.
Does Lelouch Have the Power? by Windrises
Skeletor finds the universe's most powerful amulet and uses it to defeat He-Man. Will Lelouch be able to stop Skeletor and save He-Man?
Crossover - He-Man & Code Geass - Rated: T - English - Adventure/Romance - Chapters: 1 - Words: 2,753 - Favs: 1 - Published: 9/6 - [Lelouch L., C.C.] He-Man/Prince Adam, Skeletor - Complete
Lelouch the Duelist of Vanguard by DemonLordFox reviews
Just after 2 days the Zero requiem A event Change course of me people form World of code geass reincarnation.World of dueling and Vanguard comes.
Crossover - Code Geass & Cardfight!! Vanguard/CARDFIGHT!! ヴァンガード - Rated: T - English - Romance/Adventure - Chapters: 3 - Words: 2,089 - Reviews: 3 - Favs: 2 - Follows: 1 - Updated: 8/30 - Published: 8/12 - Lelouch L., Aichi S.
A Meeting by ossabellator
A meeting between Lelouch and Dumbledore. One Shot
Crossover - Harry Potter & Code Geass - Rated: K - English - Chapters: 1 - Words: 737 - Favs: 1 - Follows: 1 - Published: 8/30 - Complete
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