Stellaris Crossovers
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The Empire of Terra by Lan Katafis reviews
It is the year of the lord, 851, nearly four centuries after the fall of Western Rome. The ashes left behind has given rise to new states and entire peoples changed. Kingdoms arose and conquered surviving and thriving in a new world, but a change in fate will see all of humanity united under… the Empire of Terra.
Crossover - Crusader Kings & Stellaris - Rated: T - English - Adventure/Sci-Fi - Chapters: 5 - Words: 22,606 - Reviews: 20 - Favs: 6 - Follows: 7 - Updated: 9/11 - Published: 7/4
Stellar Effect by Brandon Storm reviews
The Reapers trap was perfect in its design. Their execution refined over billions of years, their technology refined since the dawn of time itself. Right up until Someone Broke the Trap!
Crossover - Mass Effect & Stellaris - Rated: T - English - Adventure/Sci-Fi - Chapters: 58 - Words: 255,655 - Reviews: 229 - Favs: 357 - Follows: 479 - Updated: 9/10 - Published: 8/7/2022
Stellaris: From Beyond Remnant by AdrianNairda reviews
The citizens of Remnant scuttle about their daily lives, unaware of the cosmos above them. If they were to be watched by a civilization from beyond Remnant, how would they react to their presence? Would first contact be peaceful or violent? Would the watchers be benevolent or malevolent? Only time will tell. WARNING: contains plot deviance and shitty dialogue
Crossover - RWBY & Stellaris - Rated: M - English - Adventure/Sci-Fi - Chapters: 11 - Words: 30,446 - Reviews: 18 - Favs: 29 - Follows: 39 - Updated: 9/8 - Published: 8/1 - OC, Team RWBY, Team JNPR, Team CFVY
Outside Context, Remnant's in our sights by vmoneywashere reviews
10 years ago, the nations of Earth discovered the world of Remnant. Political infighting, an extra-dimensional crisis, and wars forced the Terran people to ignore it. Now, it's time to return and for the UNE to figure out what's going on. And for one unlucky trooper to go back to school. Crossover with Stellaris and RWBY, with hints of JPDE, Halo, and Xenonauts.
Crossover - RWBY & Stellaris - Rated: T - English - Drama/Sci-Fi - Chapters: 2 - Words: 14,996 - Reviews: 4 - Favs: 19 - Follows: 27 - Updated: 8/17 - Published: 8/15 - Yang X.L., Ozpin, OC, Team JNPR
Stellar Effect Codex by Brandon Storm reviews
A Codex exploring the History and Lore of the Stellar Effect Universe
Crossover - Mass Effect & Stellaris - Rated: T - English - Sci-Fi - Chapters: 16 - Words: 34,645 - Reviews: 25 - Favs: 41 - Follows: 40 - Updated: 8/6 - Published: 8/7/2022
The Stellar Expedition's Bug Hunt by vmoneywashere reviews
Muv-Luv/Stellaris Crossover. The BETA have pushed the surviving Human nations to the brink, they have maybe decades left. But an unexpected event brings another galaxy into the fight. An old warbird is called up to serve, to bring death to the BETA and end a fight. (One-Shot, up for adoption).
Crossover - Muv-Luv/マブラヴ & Stellaris - Rated: T - English - Sci-Fi/Suspense - Chapters: 2 - Words: 12,229 - Reviews: 6 - Favs: 11 - Follows: 10 - Updated: 7/26 - Published: 4/25 - Complete
Things the United Nations is Banned from doing (The List!) by vmoneywashere reviews
A new galactic power, the Solar United Nations, has taken a mantle alongside the Citadel Council. Two powerful forces acting in concert to form a stable, galactic community- Where did these space creatures come from? What do you mean the Humans Summoned spirits- No! Don't Adopt the Quarians! (One-shot, but can expand later).
Crossover - Mass Effect & Stellaris - Rated: T - English - Humor/Sci-Fi - Chapters: 4 - Words: 4,559 - Reviews: 9 - Favs: 81 - Follows: 106 - Updated: 7/7 - Published: 5/24 - Councilor Tevos, OC
Protection and Service Complex of Halkeginia by Kalimatronix reviews
Warning! Space-time anomaly detected. Lost contact to the Central Intelligence core. Autonomy protocols initiated. Alert! Organics detected. Primary protocol: All for organics, for all all organics. New directive formulated: Serve these organics and protect them from any danger, at any cost.
Crossover - Familiar of Zero & Stellaris - Rated: M - English - Sci-Fi/Fantasy - Chapters: 3 - Words: 16,297 - Reviews: 8 - Favs: 39 - Follows: 56 - Updated: 7/4 - Published: 6/30 - Louise, Siesta
Stellar86: Honor and Blood (On Hhold) by Jack Smith1
The Empire's 1st Corps moves into a Section of space currently unexplored and found a world quite likely to challenge everything they know and everything they thought they know, And yet They are the ones who will repay the tragedies of the world's past with their Blood and Honour, Will the Empire Survive this war or be drowned in it's own issues helping the 86?
Crossover - Stellaris & 86 エイティシックス - Rated: M - English - Drama/Sci-Fi - Chapters: 1 - Words: 4,011 - Favs: 3 - Follows: 2 - Published: 6/12 - Vladilena Milizé/Lena, Shinei Nouzen, OC, Annette
To love a walking cal by Darth Starsky reviews
One shot. The best diplomat in the Galaxy never known her own species. She tries to get into the relationship with a scientist alien man, whose personality dedicated to science and being a "Calcuator". One they, they were sent to a myterious primitive world for diplomat. Little the diplomat girl known that she came from there...
Crossover - Stellaris & Monster Girl Encyclopedia - Rated: T - English - Romance/Sci-Fi - Chapters: 1 - Words: 3,565 - Reviews: 1 - Published: 6/4 - Complete
A Helping Hand by Red Viy reviews
The United Nations of Earth goes through a wormhole that leads into Warhammer 40k. The entire galaxy is in disarry and now a helping hand reaches out. Based off my vanilla playthrough after the game ended, but im including dlc content in the story. Warning: ground combat can and will get gory so expect blood, guts, bones, and bullets
Crossover - Stellaris & Warhammer - Rated: M - English - Sci-Fi/Adventure - Chapters: 11 - Words: 49,205 - Reviews: 98 - Favs: 185 - Follows: 227 - Updated: 5/21 - Published: 1/2/2022 - Eldar, Inquisition, Orks, Tyranids
GATE: Why the fuck are there 10 UNE Titans? by SimplyLaggy reviews
Short introductory story: Two-Chapters, for the new Stellaris UNE Story base! Enjoy! I'm back from being inactive! Rated M for gore, implied adult stuff, and curses.
Crossover - Gate - Jietai Kare no Chi nite, Kaku Tatakeri & Stellaris - Rated: M - English - Sci-Fi - Chapters: 1 - Words: 2,462 - Reviews: 4 - Favs: 17 - Follows: 22 - Published: 5/15
StellarGundam: A Princess's Trial by Jack Smith1 reviews
The Empire is testing out a new Mobile Suit with 19 years old Sarah Beatrice Smith the heir to the Imperial Throne and Commander of the Vaunted 1st Corps also known as "Sarah's Rough riders" was testing it out, However the guilt from her battle on Theta Ender left Physical, mental and emotional scars, Will she save the Federation alongside her Empire? Or damn it.
Crossover - Gundam UC & Stellaris - Rated: M - English - Sci-Fi/Drama - Chapters: 4 - Words: 7,955 - Reviews: 1 - Favs: 3 - Follows: 3 - Updated: 5/4 - Published: 3/22 - Amuro R., Bright N., Frau Bow, Char A.
Huntsman, Student, Rogue Agent by MartyrFan reviews
No one would have believed, eighty years after the end of the Great War, that Remnite affairs were watched keenly and closely. Intellects equal to ours, but greater in knowledge, regarded Remnant with envious eyes, slowly and surely drawing their plans against us. Yet, our victory came not from our strength, but from one of their own. Image by Eldi13 on Imgur. DISCONTINUED
Crossover - RWBY & Stellaris - Rated: T - English - Sci-Fi/Fantasy - Chapters: 7 - Words: 34,706 - Reviews: 15 - Favs: 36 - Follows: 40 - Updated: 3/27 - Published: 1/16 - [Jaune A., Pyrrha N.] [Emerald S., Mercury B.]
StellarHalo: Imperial Intervention by Jack Smith1 reviews
Crown princess Sarah Beatrice Smith was on a Training mission to learn the ropes of Space warfare after completing her training on her homeworld of Terra, But when she and her people stumbles upon an Gateway leading to a new universe, Will they damn or ultimately save the UNSC and the UEG?
Crossover - Halo & Stellaris - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 8,121 - Reviews: 4 - Favs: 34 - Follows: 39 - Updated: 3/22 - Published: 2/27 - C. Halsey, SPARTAN-B312/Noble Six, OC
StellarRWBY: A princess's mission by Jack Smith1 reviews
The year is 2253 and Sarah is enjoying life on her homeworld of Terra but her grandmother decides to send her to a new world unfamiliar to her yet at the same time has their own problems, Will Sarah and her people help Renmant or damn it for all of time?
Crossover - RWBY & Stellaris - Rated: M - English - Sci-Fi/Adventure - Chapters: 1 - Words: 2,241 - Reviews: 1 - Favs: 9 - Follows: 10 - Published: 3/10 - Ozpin, OC, Team RWBY, Team JNPR
In Hindsight, it wasn't my best idea by vmoneywashere reviews
An one-shot I wrote for a Reddit post yesterday. Yang gets teleported off Remnant and onto Earth. 3 months later, she returns married, a badass diplomat for the United Nations of Earth, and a fleet on her tail. And the White Fang just declared war on Humanity and Earth has these Titans so more things are to come.
Crossover - RWBY & Stellaris - Rated: K+ - English - Sci-Fi - Chapters: 1 - Words: 1,067 - Reviews: 4 - Favs: 12 - Follows: 10 - Published: 1/22 - Complete
Lunar Squad And The Vulpin Kingdom by Graven661 reviews
There is a war between the Rebel Alliance and the Galactic Empire trying to fight to control the Galaxy. However there is another Galaxy full of different Species and there are going to be nine different Empires come to the Star Wars universe. However one of the Empire is going to help the Rebels to defeat all the enemy Empires. In the Rebels there is a Squad who are the best.
Crossover - Stellaris & Star Wars - Rated: T - English - Adventure/Sci-Fi - Chapters: 1 - Words: 12,586 - Reviews: 3 - Favs: 6 - Follows: 5 - Published: 1/8 - Luke S., Leia O., Han S., Darth Vader
Thus The Gods Descend by AlexisZarc reviews
A long, long time ago in the forgotten era. There were Gods and their creations. They live in their garden, live with their utmost joy. But, sometime, those creations must depart from their Gods and go to another world. With that, leading the Gods themself to find them, thus once again they descend with their trials and gifts.
Crossover - Gate - Jietai Kare no Chi nite, Kaku Tatakeri & Stellaris - Rated: M - English - Sci-Fi/Fantasy - Chapters: 2 - Words: 14,349 - Reviews: 6 - Favs: 33 - Follows: 53 - Updated: 12/25/2022 - Published: 12/6/2022
StellarEffect: The Imperial Chronicles ((On hold)) by Jack Smith1 reviews
The Empire is in a time of Peace and prosperity, After Crown Princess Sarah Led the Fremas Offensive during the Fremas Rebellion where Imperial Forces clashed with Traitors and Renegade Elements of Imperial Society, Only for the Empire to finally Emerge Triumphant, But a new threat emerges and a Whole new galaxy is now aware of them, Irene Protects, Let no one be found wanting.
Crossover - Mass Effect & Stellaris - Rated: M - English - Sci-Fi/Drama - Chapters: 8 - Words: 24,797 - Reviews: 21 - Favs: 87 - Follows: 98 - Updated: 12/22/2022 - Published: 1/16/2022 - [Shepard, Ashley W.] Admiral Hackett, OC
Stellarhammer: The Angel of Irene ((On Hold) by Jack Smith1 reviews
The Terran Empire, after nearly 140 years since The Exploration of Irene into another Galaxy, Life has moved on in the Hellas Galaxy, But everything changed when The heir to the Imperial throne Sarah Beatrice Smith gets sucked into a Portal and into the hell that is the 42nd Millenium, Will Sarah and her Empire be the very thing that Damns the Imperium or saves it?
Crossover - Warhammer & Stellaris - Rated: M - English - Sci-Fi/Drama - Chapters: 8 - Words: 19,413 - Reviews: 13 - Favs: 18 - Follows: 22 - Updated: 12/22/2022 - Published: 3/31/2022 - Space Marines, OC, Primarch/s
Remnant: Stellar Shock and Awe by vmoneywashere reviews
Remnant, a world plagued by both Grimm and internal Division. It's a planet people would see as a lost cause. For the United Nations and Commonwealth, it's an opportunity to right the wrong. Conflict is on the horizon and amidst all this, 16 hunters in training, along with a soldier they befriended, will forge a new bond between factions. (Prequel to Fire for Stellar Effect)
Crossover - RWBY & Stellaris - Rated: T - English - Sci-Fi/Friendship - Chapters: 21 - Words: 83,356 - Reviews: 55 - Favs: 161 - Follows: 203 - Updated: 12/20/2022 - Published: 12/28/2021 - [OC, Yang X.L.] [Pyrrha N., Jaune A.]
A few Titans Solves Many Issues, Including the Reapers by vmoneywashere reviews
In a distant yet expansive corner of the galaxy, many races rose and fell without anyone noticing. Yet a collection survived their ordeals and now look outwards. They bring Ideals, Peace, Prosperity, all under the UNSA and its Custodianship. When the Quarian Migrant fleet encounters an Expedition fleet, the nomads find a new home and a new family. (more updates in the winters) HFY
Crossover - Mass Effect & Stellaris - Rated: T - English - Sci-Fi/Family - Chapters: 18 - Words: 74,830 - Reviews: 194 - Favs: 699 - Follows: 966 - Updated: 11/10/2022 - Published: 11/16/2021 - [Tali'Zorah, Shepard] Rael'Zorah, OC
A few Battlecruisers can solves many issues, including an Empire by vmoneywashere reviews
When a wormhole is found connecting the Milky Way Galaxy to the Andromeda galaxy, the United Nations Solar Alliance and her allies find a tyrannical empire and plucky rebels fighting against its rule. To the UNSA, the empire was evil personified, and evil must be opposed in all of its forms. Looks like the rebels have a new friend. (Note, not related to the ME/Stellaris Fics)
Crossover - Star Wars Rebels & Stellaris - Rated: T - English - Sci-Fi/Family - Chapters: 3 - Words: 14,047 - Reviews: 13 - Favs: 116 - Follows: 131 - Updated: 9/9/2022 - Published: 8/15/2022 - [Ezra B., Sabine W.] OC, Ahsoka T./Fulcrum
Stellaris: The GATE Expedition ((On hold) by Jack Smith1 reviews
The Year is 2250, And the Empire is Celebrating Sarah's Birthday, But when an unknown Gate and an Unknown Enemy appears on The Empire's Home planet, and after being Attacked by an Unknown enemy, The Empire has no choice but to Send in The Vaunted 1st Corps, Will they be the thing that saves or damns the people of the world over?
Crossover - Gate - Jietai Kare no Chi nite, Kaku Tatakeri & Stellaris - Rated: M - English - Sci-Fi/Drama - Chapters: 3 - Words: 9,877 - Reviews: 7 - Favs: 22 - Follows: 27 - Updated: 9/8/2022 - Published: 8/5/2022 - Itami, Rory, OC, Tyuule
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