The following is a crossover some would consider unthinkable: the late Archie run of Sonic the Hedgehog and Universal Century Gundam. I happen to be a fan of both and wanted to bridge that gulf in some way.
For those of you who don't know, the Archie series never ended the way it was supposed to. Ken Penders' temper tantrums over the use of his characters and the whims of a SEGA boardroom forced Ian Flynn and staff to undergo a reboot nobody wanted. Every plot thread-Mecha Sally, the Echidna race, Geoffrey-Naugus, the Secret Freedom Fighters-was left dangling following the Worlds Collide event with Archie's Mega Man.
The project originally began as a Sonic/Super Robot Wars crossover involving UC Gundam, Banpresto's OCs, Getter Robo, Mazinger Z, and the original Macross series. It collapsed under its own weight from the immense scope of the project. Everything's been whittled down to where the Gundam stuff remains.
Red Comet, White Devil, Blue Hedgehog combines the Gundam the Origin manga by original character designer Yoshikazu Yasuhiko with elements of Kazuhisa Kondo's Gundam 0079 manga adaptation, the 1979 anime and movies they both adapted, and even some portions of the Tomino Memo-allegedly the TV series original plot outline before an unprecedented lack of interest cut the run down from 52 episodes to 39 before getting an extension to 43. Archie Sonic Online's story is also used as a starting point for this.
A Mobian hedgehog glowing with a golden aura struggled to restore his warped universe through the power of Chaos Control. He had been involved in a great adventure with a robot boy from a parallel timeline and fought both their archnemeses in the process. While the robot was successful in restoring his reality, the same could not be same for the hedgehog.
His rotund adversary, in a fit of rage, disrupted the mending of the universe.
The last words uttered were "Eggman, what did you do?!"
Everything went white. There was no sound or anything. Just a bright void.
Then there came a faint, somewhat staticky voice: "Zonic, what just happened?"
A figure slowly began to materialize. A small, armored person. "I'm not sure, warden. Hold on while I find out."
"If this is a plan of Nega's we're going to need support here. The Zone Jail won't be able to withstand a direct attack."
The figure, an anthro hedgehog structurally identical to the one who was erased a moment ago, changed channels on his wrist-commlink. "This is Zonic to Zone HQ. Do you copy?"
"Copy, Zonic," said a new voice on the other end. "This is commander Zelias."
The armored figure, Zonic, walked on. The void transitioned into a command center with numerous monitors. "Did you see that whiteout?" he asked.
"We did," Zelias replied. "In fact, almost every zone cop reported something similar. Unfortunately, we're not sure what it was, but it didn't look good."
"Send me Zomochao," said Zonic. "I'll find out exactly what happened."
"Report to Lieutenant Zally in fifteen minutes. Give her as much information as you can. I'm placing the rest of the force on standby. Do you copy, Zonic? Zonic? …ZONIC!?"
Zonic wouldn't respond. On the monitor before him, he could see a location on Mobius Prime: an immense metallic cylinder was falling inexorably toward a large city. The screen went white as well.
The No Zone: a universe located 90⁰ from everywhere and home to the interdimensional police force known as the zone cops, monitoring every universe in existence and the Cosmic Interstate connecting them all. At this time, their headquarters was up in arms concerning a series of anomalies.
The robotic Zomochao, was plugged into a large supercomputer by a long USB cable by Zonic; various monitors displayed footage of anthro hedgehogs similar to Zonic. Behind him, the door hissed open. A red-haired chipmunk in uniform, Zally, entered. Zonic saluted.
"Forget the formality," she said. "I trust you found something?"
They moved over to a monitor displaying a desolate wasteland. A dead Mobius choked by radiation. "Take a look at these two universes," said Zonic "One of these was the original universe of the Robotnik that is currently on Mobius Prime. He destroyed his entire world before he made his… relocation." He next showed her another monitor: a swarm of superpowered Mobians were doing battle with an armored planet-sized Eggman in space. "The other one was home to a group of futuristic Freedom Fighters… until their entire universe was consumed by that universe's version of Robotnik. These worlds should be desolate. And yet they're not."
He was correct: each universe had their own Sonic the Hedgehog, Robotnik, Freedom Fighters, and—most importantly of all—life! All Zally could say was "Impossible!"
"And that's not all," said the robotic Zomochao "Those two universes are separating from our multiverse and becoming part of the pluraverse."
"And this whiteout was linked to the altering of these worlds?"
"Yes," Zomochao confirmed "anything outside of this multiverse isn't under our jurisdiction (and is mutually inaccessible). So we'll have to inform the commander of the change."
"Tell me something I don't know!" Zally yelled.
"Well, there is the case of Mobius Prime," said Zomochao. "The fight between Sonic Prime and the Robotnik he's been fighting… culminated in a space-time reversal."
"What do you mean?" Zally asked, coldly.
The two Zone Cops looked at the monitor for Mobius Prime. A huge space battle was occurring: something uncommon for that particular world. Spaceships fired salvoes of beams at each other and humanoid machines with glowing pink "eyes" were involved in the fighting. Though robotic, they didn't seem to be of Robotnik origin. What had happened?
"The whiteout was a reality-altering wave," said Zonic "and it looks like all of our local universes were affected."
A wave of disgust swept over Zally. "And if the Ultimate Annihilator was any indication," she added to her subordinate "the barriers between zones were weakened again, making it even easier for Dr. Nega to attack us. Great."
Zonic's commlink whistled. It was the warden. "I need every available zone cop at the zone jail! Dr. Nega is attacking!"
"Well speak of the devil," Zonic remarked. "Zomochao, keep track of things while we're gone."
On that note, Zonic and Zally left via Warp Ring.
The Super Genesis Wave was an attempt for Doctors Eggman and Wily to rewrite their universes. The efforts of Sonic the Hedgehog and Mega Man foiled their plans. While Mega Man was able to restore his reality to normal, the interference of Eggman hampered Sonic's attempts at restoring his own. The effect of the wave has merged the Mobius torn by conflict between the Dark Egg Legion and Kingdom of Acorn with ancient Earth. A time when humans were the dominant species.
With the population explosion, mankind was forced to emigrate into space, within half a century, entire nations of human beings began to call the giant space colonies their homeland.
In the calendar year of the Universal Century 0079, the group of colonies furthest from the Earth, Side 3, took the new name "the Principality of Zeon" and began a war of independence against the Earth Federation government. In slightly over a month of battle, both Zeon and the Federation saw half their populations die.
Mankind was horrified at its own atrocities, and the war came to a stalemate for a little more than eight months…
UPDATE 3/5/2019 – Restructured the text and reuploaded via DocX this time. FF needs to get its act together with the copy/paste function.
