The Grim Adventures of Billy & Mandy is a fighting game based on the television series of the same name

The Grim Adventures of Billy & Mandy

The Grim Adventures of Billy & Mandy often shortened as Billy and Mandy is an American animated television series that aired on Cartoon Network. It is also the spin-off of Grim & Evil. Having originally aired as part of Grim & Evil The show began in 2001, And went on to become one of Cartoon...

. It was developed by High Voltage Software

High Voltage Software

High Voltage Software is an independent game development company located at Illinois' Hoffman Estates. Established in 1993, it now employs approximately 95 staff members. Red Eye Studios, a motion capture facility, is a wholly owned subsidiary of HVS...

 and published by Midway

Midway Games

Midway Games, Inc. is an American company that was formerly a major video game publisher. Following a bankruptcy filing in 2009, it is no longer active and is in the process of liquidating all of its assets. Midway's titles included Mortal Kombat, Ms.Pac-Man, Spy Hunter, Tron, Rampage, the...

. The PlayStation 2

PlayStation 2

The PlayStation 2 is a sixth-generation video game console manufactured by Sony as part of the PlayStation series. Its development was announced in March 1999 and it was first released on March 4, 2000, in Japan...

 version's DVD compatibility feature came with behind the scenes footage and the season one episode "Little Rock of Horror". The game was released on many Nintendo

Nintendo

is a multinational corporation located in Kyoto, Japan. Founded on September 23, 1889 by Fusajiro Yamauchi, it produced handmade hanafuda cards. By 1963, the company had tried several small niche businesses, such as a cab company and a love hotel....

 consoles in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, but only on the Wii

Wii

The Wii is a home video game console released by Nintendo on November 19, 2006. As a seventh-generation console, the Wii primarily competes with Microsoft's Xbox 360 and Sony's PlayStation 3. Nintendo states that its console targets a broader demographic than that of the two others...

 in the United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

.
When Grim's Mojo Balls get unleashed into Endsville, causing normal people to senselessly beat the tar out of each other (according to Grim, anyone touched by a Mojo Ball will be infected by supernatural rage), it's up to Billy, Mandy, Grim, Irwin and all of Endsville to save the world.