The original backstory of Shadow the Hedgehog involved eradicating a fictional disease that mirrored the HIV/AIDS pandemic. Yes, really.

Shadow first appeared in Dreamcast’s Sonic Adventure 2 in 2001, in which his creation was a pivotal part of the game’s plot.

It is revealed over several levels that Shadow was created 50 years before the events of the game, in an outer-space research centre known as Space Colony ARK, under the nefarious “Project Shadow.”

There, researchers, including Dr Gerald Robotnik, the grandfather of Dr Ivo “Eggman” Robotnik, worked to find a cure for all known illnesses by creating an immortal lifeform. However, the scientists met a gruesome end after government officials grew concerned by the project’s success and potential consequences.

It was revealed in the

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