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.)

After defeating the Gene Worm, Adrian Shephard thought it was his fate to be forever sealed in an endless void. However it turns out that someone has an... interest in the events that will take place on a world far away, involving a girl that calls out for a familiar.

First story on here, originally I posted unrevised version of the story on Amino. thought I might spruce it up and put it here. Summary: Gordon and Alyx fuck shit up in Remnant.

(Title subject to change) Twenty years after the Resonance Cascade, the event is detected by the Council. A ship is sent to investigate. When it is shot down, and survivors land on the planet, they have to survive against the the odds and the Combine until they can escape.

In the next chapter of the (nonofficial) Worlds Collide saga, destroying the Borealis in a nuclear explosion wasn't a good idea. Now Gordon Freeman and his newfound friends must traverse different worlds to fix reality and stop any villain who gets in their way. Properties belong to: Valve Capcom SEGA

What would happen if the Half-Life protagonist were to meet the Portal protagonist? In the broken streets of downtown City 17, this is what happened. Rated T, for violence.