
Graphic Artists: Kevin Bayliss and Dean Smith. Producers: Joel Hochberg and Chris Stamper. Graphic Artists: Kevin Bayliss and Steve Mayles.
Additional Programmers: Oliver Nelson, Steve Patrick, and Mark Wilson. Designers: Chris Stamper and Tim Stamper. Producers: Bryon Cook and Joel Hochberg. With two players, the continues are overlapping: whenever one player continues, then both players have to start at the beginning of the level (this is the opposite of games like Contra, where a strong player can tow a weak player along to advanced levels in Battletoads/Double Dragon, a weak player will hold a strong player back). A boss is included at the end of each stage, challenging the player before they can progress to a higher level of the game. The player must then proceed through seven stages, kicking and punching each enemy that comes onscreen. The player has a choice of five playable characters: Billy and Jimmy Lee from Double Dragon, and Zitz, Pimple, and Rash from Battletoads. The brothers agree and all five immediately take off for the Colossus in a mission to stop this two-pronged threat.
Deciding to even the odds, the Battletoads get in contact with Billy and Jimmy Lee and ask them for their help. Apparently, the Dark Queen is back in another plan to dominate the galaxy and she has allied herself with the Shadow Warriors (from the Double Dragon series) to supplement her forces. However, one day the Earth's military is neutralized and a giant spaceship called Colossus emerges from the moon. After being defeated by the Battletoads, the evil Dark Queen flees to the outer reaches of the universe and the 'Toads and their mentor, Professor T.