Months after the Lighthouse war a Gate opens on Tyler Island. Many Soldiers from Erusia and Osea are stationed there including high generals and even more Civilian refugees. Ancient Soldiers and creatures come out of the gate and kill hundreds. Osean and Erusian forces come together under one flag and try to find the ones responsible for that massacre. Rated M for Violence

A portal opens during RubixRaptor’s “Someone gave 079 a nuke - Arma 3 SCP” operation and Ignis Corp find a whole other world, Sadera. Sadera is in danger though because the portal into Jay’s computer wasn’t the only portal to open other than the Gate.

the updated and reimagined version from Midlydrunk335's version of his story. If you can, please read the original first to get some context before checking out my version, which continues from where the original left off (with necessary changes).

The JSDF handled the opening of the gate well, but what they don't know is that another gate has opened within the Special Region. On the opposite side? A multinational tier one private military company. Will Japan be able to share this new resource rich fantasy world with a group of shady mercenaries or will rising political tensions cause them to reach their breaking point?

In a magical land ruled by Gods whose calloused hands hold puppet's strings, a mysterious party disrupts the balance to uncertainty. Regardless if hated or admired, they hold the power of stars to shine a light into Falmart's dark truth or set it ablaze. As their Sword of Damocles hangs above the world, one thing is clear: let it all burn. Sic Semper Tyrannis. FrontlinesxGate Xover

A strange Roman-like structure rise and Japan found itself invaded by the strange clothed humans and fantasy-like races acting familiar with Earth, claiming retribution against...America?

Just a scrapped idea turned into a one-shot about the Courier killing Prince Zorzal.

10 years after the Aggressors left earth, peace rained until a Gate appears in Ginza Japan. Now the Earth Defence Force mounts an invasion to the Special region. How will the Empire respond to a military that has faced giant bugs and other terrors? Would you like to know more? Ending rework.

Shortly after the end of the Third Tiberium War the GDI Commander that fought against the odd from the Pentagon to Ground Zero, finally gets some time off, as he heads off to Tokyo for a nice vacation a new kind of trouble finds it's way towards him.

It was the 29th Millennium. The Empire was born from one of the bloodiest wars ever witnessed by the galaxy, raise from the crumbling body of the human federation. Exist in perpetual utopia as the result of technological marvel the human had. Yet, there was a disturbance as a gate suddenly manifested on Terra.

Star Trek Gate anime Crossover i made corrections to the story enjoy

The Saderan Empire has grown into a major powerhouse across the Falmart continent. Yet, their achievement had made them become arrogant and destructive. The Gods cannot sit idly and let the Empire do whatever their wish. And so, they agreed to unleash their authority to punish the Empire. They would give the Empire, an enemy beyond imagination.

A SIOC's guide on how to inadvertently save the Empire out of sheer spite and racism against Japan. Villain MC.

In 2081, a gate mysteriously opens in Santa Maria, a city in the Antarctic Dominion's Province of Naashoth. Out of it comes an opportunity, a casus beli, a chance for the great Antarctian war machine to move once again.

An anomaly has opened up, and Shirou just happened to be there.

Tony didn't die during the mansion raid. He escaped with the help of a mysterious benefactor who needs his skills and will to "rid the world of an evil soul". The catch? It isn't his world. Follow the crass Cuban on a journey of redemption, humor, romance, and overkill in the world of GATE. FOR MATURE AUDIENCES ONLY: Violence, Smut, Cursing, and Gore galore Harem Route.

Derek 'Frost' Westbrook thought he would have a normal day in Japan, but things take a turn when a mysterious gate opens, and unleashes an army from another world. Thus this leads both Japan and the United States to launch a joint expedition into a new world. (Modern Warfare Reboot Universe)

Exactly what the title shows. Warning: OP SI-OC.

Cut content from chapter 11 of GATE: When worlds collide REVISED. I'm concerned if this is M-Rated allowed, or I have to remove it and put it on AO3. If you guys read this, can you check if it's okay?

GATE a Path way between different worlds A Doorway that leads from one world to another but what will happen if it opens to a place called The Cardinal world Whare all of Creation Started Whare even Gods Cannot Enter a place full of Strong Individual Capable of Erasing Hundreds of World with their mare presence.

During a day in Blood Gulch, a Gate unleashes an army in the tens of thousands. This would be a problem if the invaders weren't medieval fantasy soldiers whose weapons are lucky to dent Mark V armor. Features Reds and Blues being their normal selves while kicking fantasy ass, more agents surviving, Good(er) Chairman, Alpha picking up the pieces of Freelancer, gore, and much more.

The Swarm had attempted to destroy New Ephyra, only to be ultimately pushed back. The COG had successfully driven back an invasion on that day, but little did they know that on the very same day, another one would be soon upon them, one that would forever change the fate of Sera and the Special Region. (Rory and Lelei will not be in this story) (Some AU on the Gears side of things)

A world blessed by the gods, and cursed at the same time. A land filled with magic and mystery. But when two worlds meet, conflict would be unavoidable. And from that conflict an angel would rise as the Overlord. OP Ainz.

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.

The Sorcerer kingdom was founded 800 years ago. In these 800 years, they have dominated the New World. It is now called the Sorcerous Empire. A lot has changed in eight hundred years. The New World is called now Nazar. A strange structure suddenly appeared in a city located on the planet Nazar.