In the year 2095 Humanity has endured invasions from hostile races which it has repelled as it become a major power among the stars, but what happens when instead of their next foe coming from space they appeared out of a mysterious Gate on one of their colonies?

First Lieutenant Itami Yoji decides to write down about his experience in the Special Region thus far.

Throughout history, the US has been involved in many wars, and has lost many lives. Even now, after the end of the Vietnam War and American-Communist Civil War, the US is once again thrown into war. With pressure from the USSR and China, will the US Military be able to successfully win the next war, or will it fail to bring peace like before?

(BEING REWRITTEN) New AU Story is available in the crossover sections of the GATE FanFiction. Thanks! As always please leave a review and a follow to the new story!

In a dying universe, advanced type-III civilizations live in eternal darkness, searching for a way out of it. When all hope seems loss, a gate opens up in the Milkinian's Metal-planet, unleashing warriors from fairy tales who were easily massacred by their technology. Seeing the gate as their only hope and with 10 billion citizens to evacuate, they enter the gate to take over.

It is the year 2100, and the world has been recovering from a global conflict from six decades ago which ended in nuclear fire. At the turn of the century, things were looking up for the denizens of Earth, as major advancements and collective suffering eased tensions between everyone. However, their newfound peace is not to last.

In late 21st century, the world has been locked in a state of a perpetual war between the 5 superpowers. What began as the most peaceful century in history turned into the most bloodiest. Japan, the sole superpower of Asia was attacked by a medieval army. In response Japan unleashed hell to the enemy. Will Japan learn from history or repeat the mistake of their grandfathers?

Fame and fortune, that was promised to them on the other side, instead they found a dead land, the empire forgot that there are enemies that cannot be conquered with violence. For those who decided to continue entering this inhospitable land, there is only one question: Who can live in this frozen hell?

In one universe, Sadera is a xenophobic, imperialistic empire. But in another universe, Sadera is a federal republic, developing a tolerance and interest to the strange and unknown. The republic had traveled many dangerous roads before its unification, but nothing prepared it for a brutal expedition that awaited beyond the Gate...

After the appearance of a GATE on the war torn battlefields of WW1, a young man finds himself going from one of the bloodiest conflicts in history to fighting in an unknown land against unknown forces consisting of creatures and people from storybooks. Will he survive this new world of new dangers, or will be become another name on a gravestone to be forgotten?

A Gate opens up in the heart of Ginza and the invasion that come leaves thousands either dead, wounded or missing. Little did the invading army realize, it would not be just one nation that would respond to their hostile actions.

Running from suffering to chase a shared dream, embracing his new meaning in life through his mentor's words, "Food is the medicine of the soul". A decade later, a Gate would unravel a fated encounter beyond in the new world. Racing against time to save a kindred spirit from her preordained ruin and the haunt from beasts of his past. Hitoshi Furuta would succeed, if nothing else.

St. Peter's Square has been inaugurated and thousands of fervent believers of God have decided to witness that event at the Holy See. At the same time in Mecca, Thousands of Allah's Parishioners have gathered at the place where Muhammad was born. But when an army of fantasy invades both sacred sites, the wrath of God and his followers will be unleashed with incalculable magnitude.

Sadera's empire has been an unstoppable war machine capable of crushing any kingdom that is put in front of it, this has led them to increase the bet and invade another world. Soon they will soon realize that their new rivals possess something more powerful than the cold steel of swords.

William Schultz Augusta life was simple and planned out, but when his soul gets painfully taken and placed to a new body, he is now charged with the responsibility of being a husband, an Emperor, and an Empire with the lives millions. Surrounded and alone, what was once was just a game now turned real, he now has to make sure he can protect everything he has.

The invasion of Ginza didn't just affect Japan. It had repercussions far beyond. As an expedition is sent to the other side, there will be civilization and barbarity on both sides. Will we learn from our dark pasts or repeat the same mistakes?

1879, the British Empire has just defeated the Zulu Kingdom in the Anglo-Zulu War. Making ready to transport men back to their posts, a British ship discovers a massive gate off the coast of the Cape Colony. Another world is discovered, ripe for imperialistic ambitions and exploitation.

AU.What if some things that happend since 90s were part of something bigger? What if there was a group of people who wanted to create a nation that must be reason with and they were given one in the lifetime oppurtunity to achive it?

A gate-like structure mysteriously opened in the United States and with it came the Saderan Empire attempting to take on the US but failed and caused damage and civilian casualties amounting to hundreds. However, the Empire has attracted a large coalition of Earth's Western nations and pissed off the Earth's sole superpower. In turn, this coalition strikes back.

A Gate opens up in Times Square, right in the middle of a war-torn world and a war-torn America. Having suffered nearly 3 decades of war, the American people will not stand for it. They will have revenge, nuclear or not. (This story was adopted from "Lighting guy with cancer")

The Empire believed there was no nation that could defeat them. Unfortunately when the Gate appears once again, it brings from the other side not only a single powerful enemy but three. This happens in the future of a different timeline where Mexico, USA and Canada have formed... The North American Union.

AU. For thousands of year, Germanian Empire had stood strong in their original homeworld. Now transferred to another world, which is several times larger than Terra. This is a story of an empire who will not just conquer, but thrive in this new world.

Shortly after the fall of France a magical gate apears in Berlin and starts spewing forces of the Saderan Empire onto the streets. But how does the empire react after realising they attacked a nation that conquered most of the continent in a year. NOTE: This work will contain violence and suggestive imigary, viewer discression is advised (on hold)

During the attack on Ginza some off duty soldiers are captured and sold into slavery. This is their struggle for freedom.

After the Korean War, the world has become very stable and peaceful. That is, until a second gate opens in Florida to a new continent away from Falmart. The new gate promises a new adventure for a young Staff Sergeant, Hezekiah Brooks, to start a new adventure in the gate. The US and its NATO alliance want to establish dominance in the region but others watch enviously afar off