One Era ends and another begins, along with wars being ignited once again along with the return of a legend from the past that will change the world once again.

The more things change, the more they stay the same. That is especially true if two universes converge together, and a war starts two years later. Will the Earth Sphere of the Cosmic Era survive the war between their Universal Century counterparts? ...We shall see.

Two worlds collide, neither prepared for the other. The Solar Sphere Congress -successor to the long gone Earth Federation- unwittingly starts a galactic crisis when it makes first contact with a very angry, very trigger happy Turian Hierarchy.

What would have happened if after the battle of the Zombot virus when Sonic used Chaos Control and using the topaz did not also took care of the metal virus but also merge their world with another world known as the universal century meaning a new war with these gigantic humanoid machines known as mobile suits a new beginning and a new adventure of the merge world..

Jack's father worked in a secret government branch to work with others on projects for everybody, making technology more advanced. Jack was with his father on the day that the branch was shut down due to a friend of his father, a man named Silas, who wanted a project that was just finished. But it was gone by the time since Jack's father did what he had to do to save his sons life.

Six months after possessing the body of a rookie mecha pilot in a universe that was a fusion of my favorite gacha game and mecha series, I find myself bumbling through a conflict to reclaim mankind's chance to spread beyond Earth from hostile aliens while also trying to not screw up relationships with the shipgirls around me. All I can do is roll the dice and enjoy the ride (SI-OC)

Tucker the Aquamarine soldier of blue team... had nothing left to do on his team, after everything I came to an end, he had nothing else to do.. he know about the teleported into the universal century, which he ended up in the year of UC.0082...

Reincarnated in confusing circumstances, Amuro Ray decided to live his new life in peace. Until Tabane Shinonono fucks it up.

Stuck in the Universal Century during the One Year War, Master Chief and his companions help the White Base Crew survive while also trying to find a way back to Zeta Halo. In the meantime, a group of battle-hardened Banished troops does what their organization does best. Take advantage of conflicts and various organizations for their own benefit. (Also includes Owl House)

After her death by Setsuna F. Seiei's hand, Anew Returner finds herself alive in the Universal Century and got rescued by a member of the Jupiter Energy Fleet. Several years later as a captain of her own Jupitris-class freighter to have a new life of her own, she eventually got herself involved in the Gryps Conflict between the AEUG and the Titans.

Banagher Links Rembran, the adopted older brother of Miorine, lives a listless life, taking care of his sister and attending the Asticassia School of Technology, though through a twist of fate, his life changes when he meets Suletta Mercury, the pilot of the Gundam Aerial and after an attempt on his father, Delling's life, he's entrusted with the powerful Unicorn Gundam.

A prequel one-shot story before the event of "Gate: Thus Riah Fought There!".

Killed by Jerid Messa, Four Murasame was reincarnated as a Cybertronian through one of the Protoforms guarded by Yoketron. Taken in by the Cyber-Ninja Corps master, she adjusts her new life as an Autobot and volunteers to take part of the war against the Decepticons to repay the debt. She will show them why the Gundam was feared as she is literally one now.

Awakening as Evil Coop in his mono-eye war mech, I discovered that I ended up in the Universal Century dimension with Evil Kiva after the events of the Dimensional War on Mars where there's a Zeon Remnant faction used to set up shop. Which Evil Kiva wiped them out and turned it into a new base. Oh well, if I'm gonna be the bad guy, then I will act as the bad guy! Crossover SI

This is a crossover story based on a idea that i recently got from a Reddit post on the Gundam subreddit.

Amuro Ray. The ace pilot of the Gundam. After in the aftermath of Char's counterattack and the fall of access. Amuro Ray, once human, now reborn as a Cybertronian on the planet Cybertron. For him to actually have a new life and a new purpose being part of the Autobots Even if Shar is here reborn as a Cybertronian A new beginning, a new life, and new battles.

The Universal Century, only a few short years ago humanity nearly eradicated itself to the tune of a madman, now it spreads, free of most of its old hatred. Yet the galaxy won't let them rest. Terminal prepares the twin Queens as best it can. (Gundam x Mass Effect)

(Sets 3 months after Gundam Narrative) UC 0097... The War between the Earth Federation and the Sleeves continues as the battle reaches the town of Peach Creek, West Virginia. But a certain group of Kids are fed up of the Federation's Inability of dealing with the Space Terrorists, So they take their matters to their own hands. RAGE BURST! (EEnE x UC Gundam Multicrossover)

10 years after a devastating war ravaged the Earth Sphere, the Ra-Cailum-class ship Edelweiss takes in 3 test pilots who have been tasked with testing new Mobile Suit models. However, they and rest of the crew are plunged into the abyss of war as the Colonial Empire and the Earth Federation shatter the fragile peace between themselves. Thus begins the 2nd Orbit War. (An OC story)

UC.0093, when Axis was almost about to fall into Earth psycho frame in it Amuro Ray newtype power pushing Axis back away from Earth only only him end up somewhere in a different reality of another wars...

El juego ideado por la entidad llamada The One dio inicio. Diversos pilotos y personas de distintos universos y realidades, son atraídos a universo prisión, en un Tierra llamada Mundo de Batalla para comenzar a luchar por su supervivencia. Kay Namura, tendrá que ver como podrá desmantelar estos nefastos planes, antes de que cause un daño irreparable al Multiverso(DESCONTINUADO).

Jaune meets someone who believes in him and his dreams after an accident but just how will the spirit of Zeon's Red Comet affect our lovable knight? Gundam UC crossover I DO NOT OWN RWBY OR GUNDAM THAT IS ROOSTER TEETH AND SUNRISE. Volume 1&2 is done now onto Volume 3! 05/16/2023: New Chapter Out!

Amuro Ray, the former new type of Londo Bell on the universal century, after for him to actually reincarnate into a new fantasy world for him to consider a new home

So i got summoned, who would've thought. now i guess ima live this new life to the fullest.

The Empire is testing out a new Mobile Suit with 19 years old Sarah Beatrice Smith the heir to the Imperial Throne and Commander of the Vaunted 1st Corps also known as "Sarah's Rough riders" was testing it out, However the guilt from her battle on Theta Ender left Physical, mental and emotional scars, Will she save the Federation alongside her Empire? Or damn it.