Half-Life Crossovers
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bodenebas the borigins by bodenebasfanfic reviews
the origins of bodenebas...
Crossover - Half-Life & Garry's Mod - Rated: M - English - Western/Suspense - Chapters: 4 - Words: 1,566 - Reviews: 1 - Updated: 11/25 - Published: 11/24
Run Think Shoot Live by a Xen traveler reviews
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
Crossover - Sonic the Hedgehog & Half-Life - Rated: T - English - Drama/Sci-Fi - Chapters: 18 - Words: 243,667 - Reviews: 11 - Favs: 12 - Follows: 16 - Updated: 11/22 - Published: 4/26 - Tails, Sally, Dr. Starline, Alyx V.
Operation: Change the timeline by MEDICBAGDOCTOR reviews
After the events of the Black Mesa Incident, Adrian Shephard finds himself hired by the mysterious G-man to change the course of history in another world. Surely, he can survive against the odds as he has done before, besides what are superpowers to a trained marine anyway?
Crossover - Half-Life & My Hero Academia/僕のヒーローアカデミア - Rated: M - English - Sci-Fi/Adventure - Chapters: 3 - Words: 9,170 - Reviews: 7 - Favs: 12 - Follows: 20 - Updated: 10/29 - Published: 9/5 - A. Shephard, G-Man, 1-A Students, Rumi U./Mirko
A New Opposing Force by Arentanji
Adrian Shepard has escaped the G-man's prison that was an osprey in the void by going through the portal that the G-man used to leave the osprey. Elite combine 3650 was taken here with Wilson also. They find themselves on Eden Prime, hours before the attack close to the spaceport. Rated T, for now. This is a Passion Project, meaning an uploading schedule is almost nonexistent.
Crossover - Half-Life & Mass Effect - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 352 - Favs: 4 - Follows: 8 - Published: 10/23 - A. Shephard, The Combine, Tali'Zorah, Shepard
RWBY: The Schnee Paradox by Jaycewan reviews
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.
Crossover - Half-Life & RWBY - Rated: M - English - Adventure - Chapters: 1 - Words: 1,872 - Reviews: 3 - Favs: 10 - Follows: 9 - Published: 10/23 - G-Man, Gordon F., Weiss S., Jacques S.
The Combine and the IS by Obunga reviews
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.
Crossover - Half-Life & Infinite Stratos/IS<インフィニット・ストラトス> - Rated: T - English - Sci-Fi/Friendship - Chapters: 8 - Words: 16,821 - Reviews: 2 - Favs: 9 - Follows: 8 - Updated: 9/24 - Published: 10/6/2020 - The Combine, Ichika O.
Second Life Choices by PortalsandArt reviews
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.
Crossover - Half-Life & Portal - Rated: T - English - Adventure/Sci-Fi - Chapters: 55 - Words: 180,907 - Reviews: 41 - Favs: 54 - Follows: 67 - Updated: 8/25 - Published: 7/9/2020 - Alyx V., Barney C., Gordon F., Chell - Complete
A Freeman's Dilemma by DerpymanMT reviews
Dr Freeman was given a new Job from his Benefactor after Alyx has things covered. His new assignment? Prevent a world from killing itself, and possibly fix a few other issues.
Crossover - Half-Life & Evangelion - Rated: T - English - Friendship/Hurt/Comfort - Chapters: 3 - Words: 5,573 - Reviews: 3 - Favs: 11 - Follows: 18 - Updated: 8/13 - Published: 7/16 - G-Man, Gordon F., Misato K., Ritsuko A.
Half Life In Another World by AntmanGoesUpThanosThanus reviews
(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!
Crossover - Re:Zero & Half-Life - Rated: M - English - Adventure/Fantasy - Chapters: 3 - Words: 14,866 - Reviews: 21 - Favs: 34 - Follows: 57 - Updated: 8/11 - Published: 6/9/2020 - Gordon F.
Kusanagi by wickedlylaugh reviews
The Science Team absolutely, completely, 100% do not get lost in a creepy forest. [HLVRAI and Naruto Crossover]
Crossover - Half-Life & Naruto - Rated: M - English - Humor/Mystery - Chapters: 1 - Words: 6,873 - Reviews: 1 - Favs: 2 - Follows: 2 - Published: 7/19 - Complete
The False Shephard by StoneAltar12 reviews
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.
Crossover - Half-Life & BioShock - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 6,110 - Reviews: 2 - Favs: 12 - Follows: 20 - Updated: 6/27 - Published: 6/24 - A. Shephard, G-Man, Elizabeth, Z. Comstock
A Business Deal for a Friend by Prof. Pancakes reviews
(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.
Crossover - Half-Life & RWBY - Rated: T - English - Humor/Fantasy - Chapters: 18 - Words: 110,154 - Reviews: 100 - Favs: 167 - Follows: 213 - Updated: 6/12 - Published: 11/19/2017 - G-Man, Gordon F., Team RWBY, Team JNPR
The True Free Man by The Alamore reviews
When Gordon Freeman accepted the G-Man's deal, he had never expected his next assignment to be placed in another world where humans were hunted down and eaten by giants while backstabbers and undermines plague what remains of humanity. All of it tendering on a world on the verge of collapse and ruin, but the right man in the wrong place can make all the difference in the world.
Crossover - Half-Life & Attack on Titan/進撃の巨人 - Rated: M - English - Adventure/Sci-Fi - Chapters: 2 - Words: 34,981 - Reviews: 18 - Favs: 66 - Follows: 91 - Updated: 6/5 - Published: 10/8/2021 - G-Man, Gordon F., Eren Y., Hannes
Goose 7 by AGoodLaughIsInOrder reviews
Taking place after the events of Opposing Force, Adrian Shepherd is saved at the last minute by the enigmatic G-man, and is granted a new lease on life. Spirited away as a teenager in Remnant, he is tasked with protecting the world from a dark and primordial evil that threatens to tear the world apart. Sounds easy enough? Well, not exactly...
Crossover - Half-Life & RWBY - Rated: K - English - Adventure/Romance - Chapters: 4 - Words: 11,484 - Reviews: 8 - Favs: 23 - Follows: 32 - Updated: 5/25 - Published: 5/9 - A. Shephard, Team RWBY, Team JNPR
The American Wake by tophatgaming
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?
Crossover - Half-Life & Team Fortress 2 - Rated: T - English - Sci-Fi/Adventure - Chapters: 1 - Words: 451 - Follows: 1 - Published: 5/16 - Gordon F., Demoman, Soldier
Half-Life x My Hero Academia: Symbols of Science by Kevmin reviews
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?
Crossover - My Hero Academia/僕のヒーローアカデミア & Half-Life - Rated: M - English - Adventure/Sci-Fi - Chapters: 1 - Words: 1,607 - Reviews: 2 - Favs: 8 - Follows: 10 - Published: 5/11 - 1-A Students, 1-B Students, Gordon F., A. Shephard
Freeman's odyssey by megacoldfusion reviews
After the events of Half-life episode 2, Gordon is left to wonder what to do next and Doctor Kliner has the answer for him. It will take him to strange new dimensions in meeting interesting people to warn of the Combine threat, the real question remains is he already too late?
Crossover - X-overs & Half-Life - Rated: M - English - Adventure/Sci-Fi - Chapters: 205 - Words: 324,311 - Reviews: 34 - Favs: 66 - Follows: 61 - Updated: 5/8 - Published: 5/5/2013 - Gordon F.
Proto-Life by ThePaleDarkness
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!
Crossover - Half-Life & Prototype - Rated: M - English - Mystery/Adventure - Chapters: 1 - Words: 1,556 - Favs: 3 - Follows: 6 - Published: 4/23
Half Life: Entanglement by ThePilotArchangel reviews
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)
Crossover - Half-Life & Mass Effect - Rated: T - English - Sci-Fi/Family - Chapters: 34 - Words: 285,971 - Reviews: 28 - Favs: 89 - Follows: 121 - Updated: 4/2 - Published: 6/30/2020 - [Shepard, OC] Garrus V., Tali'Zorah
The Wrong Man in the Right Place by Two-Eyed Charlie reviews
Gordon arrives at City 17, but something is very much off... [COMPLETE]
Crossover - Half-Life & Portal - Rated: T - English - Humor - Chapters: 1 - Words: 1,182 - Reviews: 1 - Favs: 2 - Follows: 3 - Published: 4/2 - G-Man, Gordon F., Cave Johnson - Complete
Virtual Reality by JudoJitsu
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)
Crossover - Half-Life & Radio Dramas - Rated: T - English - Suspense/Horror - Chapters: 1 - Words: 1,927 - Favs: 1 - Follows: 1 - Published: 3/27 - Gordon F., The Magnus Archives - Complete
My Hero Academia Plays Half-Life by Kevmin reviews
The characters are sent to an unknown theater to play Half-Life. Rated M for gore, swearing, and a testicle spider infestation
Crossover - My Hero Academia/僕のヒーローアカデミア & Half-Life - Rated: M - English - Sci-Fi/Humor - Chapters: 2 - Words: 1,356 - Reviews: 4 - Favs: 12 - Follows: 21 - Updated: 2/4 - Published: 1/27 - 1-A Students, 1-B Students, Gordon F.
Multiversal Discussions by hunter 139 reviews
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.
Crossover - Half-Life & Avengers - Rated: T - English - Spiritual/Supernatural - Chapters: 2 - Words: 7,205 - Reviews: 10 - Favs: 17 - Follows: 14 - Updated: 1/1 - Published: 10/2/2021 - G-Man, Dr. Strange/Stephen S.
Strange New World by LittleInkling64 reviews
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!
Crossover - Half-Life & Portal - Rated: T - English - Adventure/Sci-Fi - Chapters: 8 - Words: 44,620 - Reviews: 2 - Favs: 4 - Follows: 5 - Updated: 12/6/2021 - Published: 2/26/2021 - Eli V., Gordon F., Caroline, Chell
A Mutual Friend visits a City by Solarmech reviews
A strange visitor visits the city of Columbia looking for new "employees".
Crossover - Half-Life & BioShock - Rated: K+ - English - Drama/Sci-Fi - Chapters: 1 - Words: 1,871 - Reviews: 1 - Favs: 10 - Follows: 6 - Published: 10/15/2021 - G-Man, Robert L., Rosalind L. - Complete
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