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Official Site: Sega

Anarchy Reigns, known in Japan as is an open world It is the spiritual successor to the Wii video game MadWorld (2009), and was released in Japan on July 5, 2012, in North America on January 8, 2013, in Australia on January 10, and in Europe on January 11.

The player controls one of numerous fighters, each using their own unique moveset to defeat their opponents. The player can also fight other players online in Multiplayer Mode. The game includes separate story campaigns for two characters: the "Black Side" campaign featuring returning MadWorld protagonist Jack Cayman and the "White Side" campaign featuring new character Leonhardt "Leo" Victorion. The stories occur in parallel, intersecting at various points, before converging in a final "Red Side" campaign unlocked after clearing both.

The game features seventeen playable characters, and one additional DLC character. Returning from MadWorld is protagonist Jack Cayman, an agent of the Chaser Guild, who is tasked to find escaped fugitive Maximillian Caxton. Competing with Jack to find and capture Max first is Max's former team, the Strike One unit, made up of villainous leader Nikolai Dmitri Bulygin, female agent Sasha Ivanoff and reluctant agent Leonhardt "Leo" Victorion. Along with Jack, several other MadWorld characters appear, including former final boss the Blacker Baron and his assistant Mathilda, cyborg bull Big Bull Crocker, and Crimson Dragons clan member Rin Rin. Other playable characters include Rin Rin's sisters Fei Rin and Ai Rin, cyborg bounty-hunting partners Durga and Garuda, cybernetic ninja Zero, junk seller Edgar Oinkie, mutant hunter Douglas Williamsburg, and mass-produced combat mech the Gargoyle. The titular hero of PlatinumGames' Bayonetta is also playable via downloadable content.

The game is set in a post-apocalyptic future in the fictional city of Altambra. Three months after being arrested for his wife's murder, former Bureau of Public Safety agent Maximillian Caxton stages a jailbreak, and his former team the Strike One Unit is dispatched to Altambra to find and kill Max. Agent Leonhardt Victorion splits off from the group to search on his own in hopes of bringing Max back alive, as he remains unconvinced that his former mentor could have turned into a violent killer. At the same time, Chaser Guild member Jack Cayman is met by Max's daughter Jeannie, who asks him to retrieve her father. Jack begrudgingly agrees, though he harbors a hatred of Max for accidentally shooting his adopted daughter Stela during a rescue mission. While searching, Jack encounters fellow bounty hunters the Blacker Baron and Mathilda, along with several drones that pursue and attempt to kill him. Meanwhile, Leo begins following a trail of cyborg corpses with wounds identical to those of Ondine, Max's wife. Evidence suggests that Max's cyborg body is damaged, and Strike One determines he will head to Port Valenda to scavenge for parts.

Mathilda has not been a contender in any CBUB matches.