The Combine are the lords of Earth. It has been nearly twenty years after their victory in the Seven Hour's War and those that survive live to suffer under their oppression. In a world utterly transformed for the worse, Miho Nishizumi along with her big sister just do what they can to get by. Yet for the younger Nishizumi, she will not tolerate the status quo.

When Earth fell in the grip of the Universal Union, mankind had lost hope. Few dared oppose the alien army that won the 7 Hour War and since their crushing victory, Our Benefactors have lived relatively unopposed... Until now.

(HLVRAI) Benry never shows up to Chuck E. Cheese. Tommy gets a text from him. Tommy goes missing. Coomer goes missing. Bubby goes missing. Gordon gets a text from the Science Team. (rated M for violence/gore/horror. eventually Frenry)

The Combine have lost Earth, but don't take it seriously as they're BIG. They set off to find a new universe, Lukas Becker, a former Civil Protection officer finds another Earth, and sets off to attempt to make contact with the humans inhabiting this Earth. Then a lot of other events start to occur.

The Black Mesa Research Facility has always been on the cutting edge of scientific discovery. Unfortunately for them, one of their experiments goes too far, plunging the facility into an unprecedented disaster.

A team of Combine soldiers find themselves in Aperture Labs

a series of drabbles for an HLVRAI au, where they are in the world of Left 4 Dead. Will be compiled into a proper multi-chap eventually. (I'm sorry that I cannot find the hlvrai fandom, ill just have to post it here for now)

One particularly calm night over the land of Hyrule during a meteor shower, a portal tunneling in from another universe forms up in the skies. When the young hero returns to visit his childhood friend, Saria, she herself gets captured from an entirely new threat originating from the portal which Link must follow them through, into a world they don't understand...

A semi-crossover Male Reader!HEVSuitWearer X Samus Story. You are a BSL Station researcher assigned to analyze the X-Parasites in the Quarantine room. Sounds like a simple job, What could possibly go wrong? (May contain an annoying Male Reader Character) Originally posted on Deviantart. OneShot

With the plights of Black Mesa behind him, Corporal Adrian Shephard finds himself thrust into the world of Remnant by request of the elusive G-Man. Here, he must make new friends and learn to adapt to this fantasy-like world as Remnant will soon learn that the White Fang and the Grimm will be the least of its worries.

Earth was conquered by the Combine, but what happens when a certain fantasy Empire also wants their share of the planet? (Spoilers: It'll bite them in the behind. Badly.)

At the end of an ordinary school day, Literature Club president Monika is interrupted by a strange old man. Then the old man starts talking about different worlds, and the people who live in them. Monika has looked through a hole in the wall. Coomer knows that some people dream.

...

When Gordon Freeman gets into some trouble with headcrabs,he finds a location that he deemed abandoned With Jeremy,Gordon,and all the animatronics from fnaf 2

A collection of Half-Life and Portal drabbles, some for the r/fanfiction Discord Drabble Night, some for other challenges and prompts. (The genres only really describe the first one, since there's a lot of variety, although I guess they're all "sci-fi" to some extent).

"Hello Mister Midoriya, I do apologize for interrupting your attempt at death, but my employer's have decided to give you a job offer"

After the father allows Anakin to see his future, a mysterious man uses this advantage to change the timeline. Can Anakin trust him, or will he have to suffer the death of many.

As one gateway closes, others open. And in the remnants of Japan, a chance for freedom begins to shine. Sequel to Subject: Gap.

You, the SLAYER OF HELL, The killer of the Icon of Sin, The man who dissapeared due to a Jack off named Samuel Hayden. Was teleported to C17 Fourtine minutes after Freemans Arival. This means you, as the latest Combine Commander. Are fighting against a new foe... but. You my change... You were never turned into one of those Trans-Human freaks. Your still Human.

The Combine conquered Earth in 7 hours. Yet man still fights. Krieg became an unlivable hell in 7 hours. Yet they fought for 500 years, won, and still to this day they fight. When the imperium learns of this planet, the 31st Krieg Siege Regiment 'Sons of Verdun' is sent, and they feel like they've met a brother long lost. They'll teach them to fight Der Ewig Krieg. The Eternal War.

Colonel O'Neill, Major Carter and civilian anthropology consultant Doctor Jackson work at the Black Mesa Research Facility in the Lambda Labs.

"Rise and shine Corporal Shepard. Your time has come again." Adrian wakes up in an unknown location, separated from the rest of his unit and with no known way to escape. Just like old times. But at least he gets his weapons back, and hey, at least everything isn't trying to kill him.

Saderans, a prideful people, too prideful. In their hubris, they convinced themselves into infallability. Too late would they realize their arrogane comes with a price, a price neither money, nor slaves, nor promises would pay. Only eternal servitude, to a much larger, much stronger, and far more terrifying power than even their own gods. Contains gore and other similar acts.

What would happen if Wheatley and GLaDoS were finally human?

Follow the thoughts of Dr. Gordon Freeman, a 27 year old theoretical physicist, neurotic individual, and a unique "hero" to a new strange world. (Rating may change.)