Squads upon squads of Helldivers crash down upon the urban center of City 17. Boom, boom, boom! The Combine are met with heavy resistance as orbital strikes tank their numbers, how will they respond? Will the Helldivers manage to free this timeline's Earth, and establish a new colony for Managed Democracy?

With the release of an interdimensional entity and a worldwide rebellion, the Combine begins to exhaust its patience towards humanity. Amidst the upheaval, an interdimensional portal emerges in a park in City 17, leading to an attack by the Empire on the city. Unbeknownst to them, this action has resulted in them gifting their own planet to a multiversal empire.

Before Krystal can confront Fox about her potential termination, she and the rest of Star Fox are called away to answer a ship's distress call. Unbeknownst to any of them, the ship held a foreboding secret, one that Krystal falls victim to, as she unwittingly gets slung across the dimensions and maroons in a world of tyranny and hopelessness. - Cover by Giaartist.

Follow the thoughts of Gordon Freeman. 27 year old theoretical physicist and neurotic individual. In this 'episode' Gordon experiences his last few minutes on Earth...but that's what should have happened, right? Gordon, whether through a mistake or fate now finds himself in a world that not even he was prepared for. Can he adapt? Why is he here? And is anyone getting hungry?

A (semi)-short story ending both the Half-Life and Portal storylines. Written by my little brother.

His family was slaughtered. And they shall reap what they sow. Radley heeler joins a secret agency known as "the shadow agency" As he learns of their corrupt ways, he leaves the agency. And starts a new life and starting a family. But this doesn't come without unforeseen consequences, as his family is killed in the process. 20 years later, he brings justice to those who wronged him

Gordon freeman PhD certainly never expected to sail a boat on a heroic suicide cruse to save humanity, even less so ending up in in a whole new world, but here he is, and don't worry, he's a trained professional.

"Time, Doctor Freeman? Is it really that time, again?" The Citadel is destroyed, and Breen is dead. Gordon and Alyx stood on the reactor before it explodes... only for it to be stopped, and the eerie voice of that man in blue cutting through. Gordon was plucked out from there and back into the void. With promises of a new assignment.

G man pranks Rainbow Dash

Adrian Shephard, an HECU Corporal shipped off to Black Mesa, manages to somehow escape the hellish facility despite everything and, after being 'detained' by the ever-so elusive G-Man, is assigned a mission... to the UNDERGROUND! Accompanied by Chara Dreemurr, the first fallen human turned apparition, they venture through for a very specific goal... but is that all there is to it?

Just a Fanfic concept that's been rolling around my head for awhile. I figured why not. What if after escaping Black Mesa Gordon, Barney and Shepard were transported into the dimension of Rachet and Clank. Disclaimer- Valve owns Half life and Insomniac games owns Ratchet and Clank. Takes place after R&C into the Nexus.

The Far Far Range,once an untouched place,is now half bustling with humans. In fact the old ranch is still standing,out where it all started. Most of the planet was still very much hostile and untamed,but some artificial islands were made,where humans and slimes can safely reside beside one another. It was a squishy, easygoing partnership that would soon be disturbed.

Thel 'Vadam, the Inquisitor, is transported to an unfamiliar and hostile world. The Combine are aware of Gordon Freeman's return, but with the addition of this powerful Sangheili warrior, the resistance gains a new hope in their fight against the Universal Union.

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.

The events of Half-Life: Opposing Force play out as they should have. Except for one minor detail: It isn’t G-Man that gets to Shepherd. Thrown out of his dimension by the Vortigaunts, Adrian Shepherd is displaced into another that is somehow even weirder than the one he left behind. Guns, monsters, and now girls with superpowers. He really can’t catch a break…

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?

Picking up where the story left off after Half-Life: Opposing Force, Corporal Adrian Shepherd, the unsung hero of the Black Mesa crisis, is saved from death by the mysterious G-Man. Accepting the man's offer for employment, he's sent to a world not unlike his own. A teen once more, he has to beat back a primordial evil that seeks to engulf the world in darkness.

Adrian Shephard went through hell on black mesa. Now he finds himself in a different future and galaxy. Now he is ready to complete his task.

It's been seven years since the forces of the Combine invaded and occupied Remnant, and seven years humanity have lived under slavery. In City 28, built over the former City of Vale, lives Ruby Rose, suffering a painful life under brutal oppression. However, an unplanned rendezvous with old friends might just water the seeds of rebellion.

After the devastating strike against the Super Portal meant to bring about the nascent resistance's struggle to an end, The Remnants of the Universal Union strive to find a means to continue their occupation. Finding the means to create loyal AI-Controlled Weapons Platforms, dubbed T-Dolls, the Combine set about attaching these new units of the Overwatch to prospective Commanders.

A series of Half Life x Evangelion stories that sets the stage for the events in both EVA, Half Life and EVALife.

Bad Cop, Wilson, and a hunter are teleported to Falmart due to unknown causes and find themselves constantly on the run due to Bad Cop insulting Prince Zorzal and “severely injuring” his leg during their first encounter. However their hope is renewed when and inter dimensional gateway is opened on “Alnus Hill” and and Army from another world builds a base in Falmart.

Something happens when going through the first portal in Xen and The Science Team (Including Benrey) are now stranded in Falmart. (Benrey isn’t stranded, he is just causing trouble for both the JSDF and the Rose Knights.) Will The Science Team make it home to the United States of their world or will they be trapped in either Falmart or the JSDF’s world?

Griffin forces are scattered and disorganized following a massive Sangvis attack. A secret research facility is overrun by unknown creatures following a routine experiment gone wrong. The last survivors of the Hazardous Environmental Combat Unit find themselves snatched from one battlefield and thrown into another. This is the story of what happens when world's collide.

After bizarrely getting teleported into Final Fantasy 7, Gordon must team up with Cloud along with the science team to stop Sephiroth and his new found ally.