Alyx Vance finds herself on a multiverse adventure! On a new planet in a new body, she must work with the local Freedom Fighters to stop Robotnik! She makes friends with a twin tailed fox who helps her escape Robotropolis, she finds refuge in Knothole Village! Multi POV story at this point. Valve multiverse & Sonic SatAM/IDW comic AU. No sexually explicit content. HL-Alyx spoilers

HIATUS! Some call it destiny, others call it coincidence. To Weiss Schnee it was a pain in the ass. She never expected to be fighting for survival in an alien dimension alongside a stoic Doctor clad in orange. The man in the suit only complicates things further. One question lies in her mind... "How do I get home?" Art by: NecroCephalopod on DeviantArt go give him some support.

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.

Something in life guides everyone. Sometimes it's people, sometimes it's the choices that are made. Chell is on the surface and finds the world is a much different place than the depths of Aperture. Gordon and Alyx are trying to fulfill Eli's dying last wish but that's easier said than done. While at White Forest Barney Calhoun just tries to keep everything from falling apart.

(half-life x re:zero crossover) My take on Re:Zero, but Subaru along with Gordon Freeman are summoned to the parallel world, each through different means. Freeman and Subaru form an alliance to survive in this new world, adventure awaits this pair!

The Science Team absolutely, completely, 100% do not get lost in a creepy forest. [HLVRAI and Naruto Crossover]

After a ferocious journey through the halls of Black Mesa and the arduous ecosystems of the Xen, Adrian Shephard is once more deployed to save someone. A girl. He doesn't know why, but if it guarantees his life, he's willing to get the job done.

(Hiatus) (Being Rewritten/Edited) Deals are made for the one known as Gordon Freeman, yet the one who accepts such deals is none other than the mysterious man himself. When the time comes to accept a job from a dear "Business Partner", there is none other than the one Freeman to do it.

Demo's family Moves to America, where they adopt a young soldier before he goes insane, A half-life crossover with alternate history elements, this is going to be interesting, ALSO, I'm looking for a co-author anyone interested?

Gordon Freeman, Alyx Vance, Barney Calhoun, and Adrian Shephard are transported to the world of My Hero Academia. What goofy and wacky shenanigans will they get into?

Nina, a prototype, ends up in the quarantine zone of city-17, just as Alyx arrives there as well. Takes place during Half-Life: Alyx. OC WARNING!

Ayita Shephard, Lambda Resistance; Cato'Zorah nar Rayya, hired Quarian of the Council Funded Relay 314 Expedition. Both dissatisfied with their lot in this universe; one under the heel of a Inter-Universal Empire, and the other under the boot of an Apathetic Galactic Council. Together they will change the Galaxy. (Image not Owned, Co-Written with IantheMechanic, First Contact AU)

Gordon arrives at City 17, but something is very much off... [COMPLETE]

Case #9992341 - Statement of Wayne Dalton, regarding his experience playing an experimental VR version of the game Half-Life. (a hlvrai/tma crossover. crossposted on ao3)

The characters are sent to an unknown theater to play Half-Life. Rated M for gore, swearing, and a testicle spider infestation

Doctor Strange ends up in an unfamiliar place with powerful cosmic beings. He soon learns that the nature of the multiverse is far greater than anyone can imagine.

Of Ratts and Men sequel. City 17 may be destroyed, but the Combine still reign supreme over Earth. Now, the Half-Life gang must find the Borealis so they can use its portal technology to find Alyx and finally beat the Combine. Luckily, three of the best candidates for the task have just rejoined the surface. Not so luckily, the Combine has found them first. See Ao3 for ch. updates!

A strange visitor visits the city of Columbia looking for new "employees".

Benrey goes on vacation while Dr Coomer deals with an angry wizard girl and a school full of entitled jerks. then a man in purple shows up, along with a mystery artist who knows the full history of Dr coomer and his team. Lousie starts questioning Dr Coomer, but Dr Coomer doesn't give a single care in the world. Just what did this man have to do with her?

Following the Black Mesa incident, Gordon Freeman successfully stops the Cascade using the satellite delivery rocket. Years later, Black Mesa is in the middle of an operation where they send agents to other worlds by using purposefully constructed Cascades. One such planet is 4546B, a planet on which they have almost no info. Unexpectedly, humanity finds itself determining fate.

Un fallo imprevisto en el teletransportador de White Forest, envía a Gordon Freeman al universo de Zootopia donde deberá arreglárselas para intentar escapar de la ciudad, sin embargo no lo tendrá nada fácil.

Free from G-Man's grasp and his name forgotten in time, Gordon sets out in The Borealis expecting death. Instead, he is sent to purgatory and made an offer, save another world and get a reward for it, basically. He can do it, after all, he is The Freeman. WARNING, Dumpster fire of a fanfiction and T for blood, violence and swearing.

It's hard for the Ethereals to invade when someone else got there first.

Salvation: Episode II - The Lair of the Shadow Broker - A slight re-imagining of the action packed Mass Effect 2 DLC. After defeating the Reaper threat and surviving the hijacking of the Carmenta Illustria, a dire message from one of Shepard's oldest and dearest friends plunges the team into a treacherous search for the mysterious Shadow Broker. But there are other forces at work..

The human race is a lost cause as far as GLaDOS is concerned, but there just might be one person worth her time.