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Worlds Collide by SomethingAlongTheLinesOf
Fandoms: Fallout 3, Doctor Who (2005), Half-Life (Video Games), No More Room in Hell (Video Game), Minions (2015), Shrek (Movies), ULTRAKILL (Video Game), Ghostrunner (Video Game), Doom (Video Games)
24 Sep 2025
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A Dalek, Eve, Comes crashing down from the sky in front of a place called Little Lamplight, where a boy named Sticky, who just turned 16, touches the weird creature, bringing it back to life and unadvertly creating a war that would tear up the Capital Wasteland..
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Cyn becomes an Epic Gamer by American_Autism
Fandoms: Murder Drones (Web Series), Garry's Mod, Minecraft (Video Game)
11 Sep 2025
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Inspired by Real Events
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FreeRose by StarlightLambda64
Fandoms: Half-Life (Video Games), Metal Gear (Video Games), The Walten Files (Web Series), Mouthwashing (Video Game)
17 Aug 2025
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Summary
(A significant crossover fanfic that might be one of my lengthier stories)
"Wake up, Miss Rose... Your time has come again..."
Two decades have elapsed since the Resonance Cascade at Black Mesa, and a long-forgotten hero has resurfaced. Thrown into a train station with no recollection of her true history, 17-year-old Violet Rose accompanies her boyfriend, Aiden Calhoun, as they must navigate through City 17 armed only with sheer determination, adrenaline, a katana, a scythe, and a Snark as their pet. However, Violet quickly discovers that this reality contrasts deeply with the games she played during the False Reality imposed by the G-man. It's not solely the Combine she has to confront; they've allied with a faction once thought to be extinct.
The Patriots.
Now, her mission is to dismantle both of these threats and restore order, joining forces with individuals she never imagined she’d team up with, and discovering a new family after losing her old one. Additionally, she forges friendships with people from the past, some of whom seem oddly familiar.
Series
- Part 3 of Operation: Half-Life
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Nomad One just has one job - get his men to secure and lock down a quarantine zone. Unfortunately, one of the patrol teams comes back packed to bursting with spores.
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In the months following the defeat of the Aparoids, Krystal continues to relish her new life with Star Fox. However, her joy may not last as she discovers evidence that Fox might potentially be booting her from the team. Before Krystal can hope to get answers and confront Fox about this, she and the rest of the team are called away to answer a ship's distress call over the planet Venom. Unbeknownst to any of them, the ship holds a foreboding secret that Krystal falls victim to, as she unwittingly gets slung across the dimensions and maroons in a world of tyranny and hopelessness.
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2028: A Centrist Manifesto by InsanityMachine
Fandoms: Call of Duty (Video Games), The Last of Us (Video Games), Half-Life (Video Games), Cthulhu Mythos - H. P. Lovecraft, Civil War (2024), Doom (Video Games)
13 Jul 2025
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In the wake of the Second Civil War that has overthrown Donald Trump, his tyranny has been replaced with a new far-left dictatorship by Donna Trump who rules with an iron fist while adored by the 99.99%.
Rachel Okami and her family are betrayed, falsely labelled as #FakeFeminists, and murdered by mobs of their fellow Americans but she is resurrected by Nyarlathotep and brought back from the depths of Hell with newfound powers to enact her revenge on the newly-rechristened Holy Empire of Sarkeesia.
What will become of mankind?
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The Teufort Equation by Engineer_Gaming
Fandoms: Team Fortress 2, Postal (Video Games), 原神 | Genshin Impact (Video Game), Portal (Video Game), Left 4 Dead (Video Games), Half-Life (Video Games), Fallout (Video Games), Fallout: New Vegas
26 Jun 2025
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When Half-Life 3 is threatened by interdimensional foes, an unlikely and utterly insane alliance forms. Join the mercs of Team Fortress 2, the unhinged Postal Dude, and zombie apocalypse survivors as they blast their way across the multiverse—from explosive Combine encounters to chaotic trips through God knows where. Expect gratuitous violence, dark humor, and a whole lot of mayhem in this wild ride to save gaming's most anticipated sequel!
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"The lambda gave them something more substantial to fight for than the truth. If she couldn't ignore her father's secrets, she'd shut them out long enough to get the job done."
Eli is dead. Gordon's awake, slave to a man who seeks to capitalize on old debts from Black Mesa. And caught in the crosshairs, Alyx struggles to keep the Resistance alive long enough to recover Dr. Mossman and locate the Borealis.
Sequel to "Something Secret Steers Us." WIP.
Series
- Part 2 of Something Secret Steers Us
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ORDINAL-2220-20190506-200 has a bad day at work.
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My OC's backstory ig; not beta read because if I don't do everything all in one go it'll never get posted. I'm working on that. Critique welcome
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- Part 1 of Jury n Co
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Half-Outlaw, Half-Villainess: A Wataoshi|Half-Life Crossover Fic by SaoirseCYuri
Fandoms: 私の推しは悪役令嬢 - いのり | Watashi no Oshi wa Akuyaku Reijou | I'm in Love with the Villainess - Inori, Half-Life (Video Games), 私の推しは悪役令嬢 | Watashi no Oshi wa Akuyaku Reijou | I'm in Love with the Villainess (Manga)
30 May 2025
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Four years after the Black Mesa Incident, a gang of Outlaws including former Bureaucrat Orla Maguire and her Physicist Step-Brother, Gustavo Freeman are decimated following a disastrous heist in Panama, scattering them to the wind, and sending Orla adrift to another world, with a blonde noble girl glaring down at her.
Claire Francois must now teach this upstart commoner, who appears to go by Rae Taylor, the proper ways to act in Bauer, while attempting to truly decipher who she is, why she does what she does, and why she keeps talking about 'Home' as if it were some far away place. Rae, formerly Orla, must hold out and come up with a plan in the scheming shadows of Bauer if she wants any chance of seeing her world and family again, all while continuing to work for Claire, and realizing they have a much deeper connection than she initially thought.
In Panama, Dr. Gustavo Freeman comes face to face with Melia Francois, Claire's long-deceased mother, whilst also facing evidence of string theory, and the yet-unknown to them threat of the Combine Empire that is now aware of Earth's existence. Time will tell, the currents are swirling... can Outlaws and Nobles truly find redemption?
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Half Life 2 x FNAF Security Breach: Resistance by HardcoreZC
Fandoms: Five Nights at Freddy's, Half-Life (Video Games)
24 May 2025
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Disclaimer: This story is basically the result of me fooling around with AI, particularly, the Twitter (aka X) AI thingy known as Grok. However, since I'm making the story, I'm going to try and make it better than Grok (the AI) did.
Furthermore, I believe that AI can be used for certain things, but replacing humans is NOT one of them. Furthermore, I don't be in AI replacing artists or fanfic writers.
I own nothing, except my original characters. All rights reserved.
FNAF is owned by Scott Cawthon. FNAF Security Breach is by Scott Cawthon and Steel Wool Studios. Half-Life is owned by Valve.Anyways, so picture it, City 17, (YEAR REDACTED), Gregory and Gordon Freeman bump into each other, confused about how they got there.
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Three years. That’s how long it had been since she’d seen her. Three years since the biggest fuck up of her life. It was, without question, the worst mistake Chell had ever made. And it had taken Three years for guilt and longing to rot into something heavy enough to finally have the pin break the camel's back, to go through her pride and pass through her stubbornness. To build up a hunger to see her face again, a hunger that overpowered the instinct to run in the opposite direction.
Or
After 3 years, Chell goes to Aperture science to reconcile with her ex...in one way or another. Not necessarily hoping for something to reignite, but merely hoping to make amends. Of course, the embers of love had not faded, and while they work to turn the embers to a flame, Aperture being Aperture, makes things difficult for everybody.
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You are Phoebe Stewart, a 19-year-old former assassin for the Combine who is now aiding the Resistance.
Everyone is in complete despair following the death of Eli Vance, the leader of the Resistance, at the hands of a Combine Advisor. It has been a day since this tragic event, and in that time, while Gordon Freeman and Alyx Vance have headed to the Arctic searching for the Borealis, you and your friends have made your way to Kraken Base, an underwater Resistance base near what used to be South America.
Upon arrival, you learn that you’ve been tasked with heading to City 13 to locate a person of importance; someone who, alongside yourself, could be humanity’s last hope if anything went awry with Freeman’s own mission.
Series
- Part 4 of The Catalystverse
- Part 14 of The Collision Saga - Main Stories
- Part 18 of The Collision Saga - Every Story Ever
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Continues the series “Don’t you (forget about me)” by user tantaliax.
Six months have now passed since the destruction of the Citadel, the collapse of the Combine Superportal, and the disappearance of Alyx Vance. The Earth is now embroiled in a brutal war reminiscent of the fateful conflict two decades prior as humanity attempts to throw off the yoke of oppression.
This is the situation Adrian Shephard now finds himself in, as he and his friends take the strain of leading the war effort while also searching for one of their number and her captor. But the former Marine’s mind isn’t just on rescuing Alyx, for he has another person dear to him to save: his younger sister, Michelle Shephard, whom he last saw over five years ago.
But saving Michelle from the Combine will not be easy - not least because she is one of them.
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The Right Witch In The Wrong Place by NASTYNOLAn101
Fandoms: The Owl House (Cartoon), Half-Life (Video Games)
15 Apr 2025
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THIS IS MY FIRST EVER BIG STORY
Luz was on track to have a great childhood...
Her mother and father were supportive, they got a nice house for dirt cheap in gravesfield, and Luz's favorite series the Good Witch Azura just got an animated tv show! Nothing could really be better for 5 year old Luz other than her not being a witch.However, one fateful day within a facility new mexico, the world was set on a crash course with the destruction of everything Luz ever knew. She never wanted this change, but it seemed change would always be wherever she went, especially within the Boiling Isle in which she finds on accident when hiding from dangerous creatures. Was this journey she finds herself on planned? Or fully a coincidence. Whatever the case, one fact remains... The right Witch in the wrong place can make all the difference in the world. So wake up Luz Noceda, wake up from the ashes...
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You are Phoebe Stewart, a 19-year-old former assassin for the Combine who is now aiding the Resistance during the uprising in City 17.
With assistance from your godfather Michael Wagner and a trio of Vortigaunts named Neil, Brian, and Stephen, you find yourself reuniting with an old face just before the fate of City 17 hangs in the balance.
Series
- Part 3 of The Catalystverse
- Part 13 of The Collision Saga - Main Stories
- Part 17 of The Collision Saga - Every Story Ever
- Language:
- English
- Words:
- 4,297
- Chapters:
- 5/5
- Hits:
- 29
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Troubled Mind by shortielaughsalot
Fandoms: Portal (Video Game), Half-Life (Video Games)
28 Feb 2025
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Torchlight's Medical Director, Dr. Roena Miller, and her team run across an emaciated survivor during a recon mission into the depths of a long abandoned Aperture Science Laboratories. Dr. Miller's plan to nurse him back to health began to focus more on his mind than his body as her art therapy techniques reveal his mind may be more troubled than he lets on. When his safety is threatened by Torchlight's true leaders, The Combine, Dr. Miller finds herself a bit more protective of this patient than she should be.
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Troubled Mind is a work-in-progress fanfiction that follows Doug Rattmann and my OC, Dr. Roena Miller, as she does her best to help heal his mind after his rescue from Aperture 20,000 years after the events of Half-Life 2 and 30,000 years before the events of Portal 2. -
Half-Lock by The_Watcher5292
Fandoms: Sherlock (TV), Half-Life (Video Games), Portal (Video Game), Sherlock Holmes & Related Fandoms
19 Feb 2025
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When criminal mastermind Jim Moriarty is suddenly ripped from his world and thrown into the dystopian nightmare of City 17, he finds himself caught between two sides: the tyrannical rule of Dr. Wallace Breen and the desperate Resistance fighting to take back their freedom. With his sharp mind and ruthless nature, Moriarty quickly proves himself useful - but to whom?
As he manipulates his way through this strange world of aliens, rebels, and interdimensional forces, Moriarty has one goal: get back home. But when powerful beings take an interest in him, and the legendary Gordon Freeman returns, Jim realizes he might be in way over his head.
In a city where trust is a rare commodity and survival is never guaranteed, Moriarty must decide... whose side is he really on?
- Language:
- English
- Words:
- 36,647
- Chapters:
- 1/1
- Bookmarks:
- 1
- Hits:
- 44
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Seventeen years after the Black Mesa incident, Corporal Adrian Shephard awakens in the depths of City 14, a Combine-occupied industrial nightmare. Igniting a desperate struggle for survival. As he fights through this dark world, Shephard must confront his past and help a crucial rebellion plan against the Combine’s oppressive regime..with the help of some old friends.
Series
- Part 1 of Beyond the Veil
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The Combine Codex uses cannon, cut content, and AU content to flesh out the Combine forces that were on Earth.