The fighting game X-Men: Children of the Atom was initially released by Capcom in arcades, introducing Marvel Comics characters into the fighting game genre with groundbreaking animation and gameplay.
X-Men: Children of the Atom was ported to home consoles, including the Sega Saturn and PlayStation, making the game accessible to a wider audience beyond arcades.
The success and mechanics of X-Men: Children of the Atom influenced the development of the Marvel vs. Capcom fighting game series, pioneering tag-team battles and complex combos.
A meteorite crashes on Earth, releasing the robotic alien Sigma virus that will later be used by the villainous Mister Sinister.
Mister Sinister forms a version of the X-Men team and begins conducting genetic experiments on mutants to create powerful warriors for his own use.
A global underground fighting tournament is announced, featuring mutant fighters from around the world to prove mutant superiority.
The X-Men members enter the tournament to confront threats and stop the sinister plans connected to the event.
The X-Men face Mister Sinister in the climactic final battle to stop his ambitions and save mutantkind from extinction.