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Mobotropolis (sometimes known as Old Mobotropolis) was the name of the first ever multi-cultural city on Mobius and the capital of the Kingdom of Acorn. It was originally created by a collective group of Mobians under the leadership of Alexander, the first King in the Acorn Dynasty. Centuries later, the city was captured during Dr. Ivo Robotnik's coup d'état and became the capital city of his global empire, rechristened Robotropolis. It was briefly reclaimed after Robotnik's apparent demise, but reclaimed by his successor, Dr. Eggman. Over eleven years later, the city was subsequently destroyed by a nuclear strike from Station Square, though the toxic radiation was contained within the city's dome shield.
History[]
Creation[]
Mobotropolis was first created hundreds of years ago, after Alexander Acorn decided that people could benefit from the combined efforts of a variety of different species. After its completion, the citizens made Alexander their king, as he was ultimately responsible for their communion and the city's construction. (StH: #71)
New Golden Age[]
Mobotropolis entering its "Golden Age" after Nate Morgan's arrival
Due to the Mobian's philosophy to preserve nature, the Kingdom of Acorn and the city of Mobotropolis' technological development quickly stagnated and remained in an pre-industrial and medieval state. This changed dramatically when King Frederick Acorn took in the exiled Overlander scientist Nate Morgan. Before being taken in, Nate had been working on the development of the Power Rings - a clean, alternative fuel supply that would have replaced the toxic fossil fuels heavily used by his people. During Nate's tenure in Mobotropolis, he successfully made stable Power Rings, and the Mobians applied the technology to make Mobotropolis a modern city. Following Frederick stepping down and his son, Maximillian Acorn, assuming the mantle as king, Mobotropolis suffered a major setback. The current Warlord Kodos and the Royal Wizard Ixis Naugus felt threatened by the potential of Nate Morgan, and thus staged a conflict between the Overlanders and Kingdom of Acorn, letting the blame fall to Nate who subsequently left of his own free will.(StH: #65)
The Great War Years[]
After Nate's self-imposed exile, skirmishes between the Mobians and Overlanders continued to persist, though at first they were relatively small. This changed when Kodos discovered two scouts who had mutually decided to report to their own kind that the other side was of no threat, hoping to avert further fighting. Kodos had the two killed and sent the bodies back to their respective home territories, each with a note saying "this is what happens to all who oppose us". Each side now believed they were dealing with savages, and thus the Great War began. (StH: #65, #73)
Because the Mobians' refusal to use gun-like weapons (due to the The Paladin Incident in which Prince Emerson was accidentally killed by a pistol), the Overlanders had a strong military advantage. Mobotropolis came under siege of mortar rounds within the first year of the war, with many of its structures being destroyed. The tides of the war changed in the Mobians' favour after the Overlander Julian Kintobor defected and began upgrading the Mobian arsenal, using his knowledge of the enemy to their advantage. After the Great War's end with the Mobians victorious, Mobotropolis was rebuilt. (StH: #72, #76)
Transformation to Robotropolis[]
Shortly after the Great War ended, the kingdom's Warlord, Julian Kintobor, took over the city using his hordes of SWATbots. The majority of the city's population was captured and roboticized, though some managed to escape to the sanctuary of Knothole in the Great Forest, including the members of the Original Freedom Fighters, King Maximillian Acorn's daughter Sally and a few other children who would later become the Knothole Freedom Fighters. The city was subsequently rechristened Robotropolis, and became the capital of Dr. Ivo Robotnik's global empire. Most of the city was converted to factories. (StH: #43, #72, #142)
Dr. Ivo Robotnik's Tyranny[]
During a meeting between Dr. Ivo Robotnik and his classic badniks in Robotropolis, the Knothole Freedom Fighters were detected out in the open, prompting Robotnik to head out to attack them. Later, Sally let herself get captured and brought to Robotropolis' Robotnik, Inc. When Robotnik then tried to roboticize Sally, the latter planned to compromise the roboticizer with a hidden device and get what the Freedom Fighters needed to de-roboticize Mobians. Unfortunately, her plan was ruined when Sonic and his teammates, ignorant of her plan, rescued her. Some time later, Sonic managed to infiltrate Robotnik's workforce in Robotropolis using a robot disguise. While there, his objective was to destroy the city's Crab Compound, but when he discovered that Charles and Muttski were in there, Sonic changed his target to a Buzzbomber factory, which he blew up with missiles intended for Knothole Village (OSM: #0, #1, #3)
Back in his office in Robotropolis, Robotnik would be presented with the Krudzu by a SWATbot and its plan to use it against the Knothole Freedom Fighters. Liking the idea, Robotnik had the Krudzu spread throughout the Great Forest. As the robotic weed engulfed the forest, Robotnik waited back in Robotropolis for the Freedom Fighters to emerge and destroy them. However, his scheme was ruined when the Krudzu was destroyed during a rainfall. Later, Robotnik tested out his new Badnik, Coconuts, in Robotropolis, before sending him after Sonic. However, Coconuts was soon sent back to Robotropolis in pieces, prompting Robotnik to deploy the Super Special Sonic Search and Smash Squad in his stead. While staying in contact with his squad from Robotropolis though, Robotnik eventually heard from Sonic that the Super Special Sonic Search and Smash Squad had their mission failed too. (StH: #1, #2)
During a trip to Robotropolis, Sonic overheard outside Robotnik's HQ that the doctor had acquired a nuclear device, not knowing it was just a pesticide Robotnik planned to use on the insects in his pantry. Mobilizing, the Knothole Freedom Fighters set up a fake protest in Robotroplis, which lured Robotnik and his SWATbots into a trap that incapacitated them. They then sent Rotor in, disguised as Robotnik, to steal the device. Although Robotnik quickly returned and complicated the mission, the Knothole Freedom Fighters nonetheless succeeded in getting the device and escaping, leaving Robotnik to deal with his insects without aid. When the Bot Brigade later brought a mobini salamander to Robotropolis, Robotnik tried roboticizing it, only for an accident to create Universalamander, who went on a rampage. Not long after, Tails went to Robotropolis to take on Robotnik, only to get himself caught inside Robotnik, Inc. and prepped for roboticization. Fortunately, Sonic came and rescued Tails, just as residential SWATbots rigged themselves to explode and destroyed Robotnik, Inc. Later, the Knothole Freedom Fighters sent a rewired Termite-Nator back to Robotnik, where it threatened to eat everything made of metal. To keep the giant insect occupied, Robotnik thus had his Badniks keep feeding it scrap metal. (StH: #3, #4, #5)
During an attack on Robotropolis's Robotnik, Inc., the Knothole Freedom Fighters learned that Robotnik had moved his robo operations to his Veg-O-Fortress in Soumerca, prompting Sonic to head there. Later, Robotnik brought a sorceress to Robotnik Haul in Robotropolis so they could get married. However, the wedding got spoiled by Sonic, who subsequently rescued the sorceress. Soon after, while punishing Crabmeat for reading comics in Robotropolis, Robotnik was inspired to create his Super-Powered 'Bot line in hopes that they could destroy Sonic. Later, as Robotnik heard Sonic play music (which the doctor hated) from Robotropolis, Snively presented him with a device that could shrink its targets down to miniscule sizes for an hour. This prompted Robotnik to formulate a plan on how to use the device against the Knothole Freedom Fighters. However, the plan backfired, leaving Robotnik with numerous shrunk Badniks in his office in the aftermath. Later, Robotnik completed Pseudo-Sonic in Robotropolis. Following a painful testrun of him, Pseudo-Sonic managed to find Knothole Village and contacted Robotnik in Robotropolis. However, Robotnik lost contact with Pseudo-Sonic before he could tell him of Knothole Village's location, prompting the doctor to head out and find him. However, Bunnie soon sent Robotnik back to Robotropolis. Later, Robotnik discovered from Robotropolis that Sally had been caught by a Robot Tree, prompting him to head out to get Sally personally. (StH: #6, #7, #8, #9)
After Sonic set the underground Mobius River loose to foil Robotnik's underground operation, the rush of water created a geyser that caused the entire city of Robotropolis to be raised from the ground. When Buzzbombers later reported about an encounter of theirs with the Knothole Freedom Fighters to Robotnik in Robotropolis, Snively deduced it was time for the heroes' annual picnic, prompting Robotnik to begin an assault on the Knothole Freedom Fighters. (StH: #10)
When an earthquake threatened to level the entire city, Robotnik temporarily retreated to an evacuation craft with his nephew Snively and as many SWATbots as the ship could carry. Sally, Sonic, and Charles used the time to deroboticize as many of the city's Robians as possible, and barely escaped the city themselves. When Robotnik returned, he planned on using a forcefield to keep any intruders out while the city was being rebuilt, but Snively activated it too early, causing them to crash against it. (StH: #37)
Eventually, Robotnik managed to rebuild the city, before a grievous blunder was committed on his part. He had not properly safeguarded a supply of nuclear warheads, and had to retreat to a bomb shelter when he saw Mecha Sonic and Mecha Knuckles about to crash into the stockpile. Upon their detonation the damage was even more severe than before, and reconstruction was further delayed when Sonic sent Nack the Weasel's ion-powered sky-sled on auto-pilot and set it to self destruct within the city, leading to yet another major explosion in Robotropolis that could be felt from Knothole Village. (StH: #40, SMM)
Later, as Robotnik had plans elsewhere, he left Snively in charge of his city. As soon as Robotnik took off for the Death Egg, however, Snively ordered all of the SWATbots to stop reconstruction and instead used them to pamper himself and dubbed the city "Snivopolis". Once the Death Egg was destroyed, Robotnik returned and was quick to put an end to his nephew's actions. (SQM: #1, #2, #3)
Recapture and Loss[]
The Mobians retaking Mobotropolis after Robotnik's death
After numerous engagements against the Knothole Freedom Fighters, Robotnik was eventually destroyed by his own weapon, the Ultimate Annihilator, as Snively had tampered with the device. The Mobians then retook the city and began the tedious task of restoring it to its former glory. For a while, the city actually returned to some semblance of it pre-war state. When Sonic and Tails returned from their globe-trotting quest to stop Ixis Naugus, they discovered that a number of businesses and entertainment centers had been opened, including the Deer John's juice bar owned by John and Jane Doe. (StH: #50, #51, #70, SSS: #2)
However, the arrival of an alternate universe version of Robotnik (now calling himself Dr. Eggman) spelled disaster for Mobotropolis. Robo-Robotnik was able to retake the city with relative ease, distracting the Freedom Fighters by leading them to his satellites in orbit, and then launching hordes of Shadowbots to reclaim the city. When the Mobians fled to Knothole, Robo-Robotnik who transferred himself to Eggman once again renamed the city to Robotropolis. King Max and Queen Alicia later decided to formally establish Knothole as the new seat of the kingdom and leave the corrupted city to Eggman. (StH: #75, #76)
Destruction[]
Robotropolis was later destroyed utterly in a nuclear strike by Station Square. The harmful fallout is currently kept within the former site of the city by a shield originally designed to protect the city. Fort Acorn exists just outside of the city to ensure no one attempts to sabotage the force field. In operation: Triple threat, Eggman attempted to destroy the barrier around Robotropolis, and poison the surrounding areas. The fallout within is being siphoned to provide energy for New Mobotropolis. (StH: #110, #131, #177, #178)
Legacy[]
The ruins of Robotropolis being guarded by Fort Acorn.
The original Castle Acorn which formerly existed in Mobotropolis was re-created in New Mobotropolis by NICOLE through nanites. (StH: #176)
The radioactive fallout contaminating the ruins of the city serves as the primary source of power for New Mobotropolis, and is also used in the creation of Power Rings produced by a recreation of the Lake of Rings located in the city. (StH: #204)
The power siphon that turns the waste into energy for NICOLE to use was rebuilt underground after the Iron King tried to destroy the old one. (StH: #207)
Points of interest[]
Background Information[]
- When the Bem pitted Eggman and Snively against Mecha Sonic and Mecha Tails, a holographic recreation of Robotropolis became their battleground. (StH: #118)
- It is unknown how the shield generator continued to function after the city was destroyed.
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