Double Dragon II is a 1991 beat-em-up released for the Game Boy developed by Technōs Japan and published by Acclaim in North America and Europe. Although it is the second Double Dragon game released for the Game Boy, it is unrelated to the arcade and NES game Double Dragon II: The Revenge. The game is a localization of the 1990 Japanese Game Boy game Nekketsu Kōha Kunio-kun: Bangai Rantō Hen, which was part of Technōs Japan's Kunio series. The graphics, music, and storyline were changed for the international versions.
The player takes control of martial artist Billy Lee, who is being hunted down by an organization called the 'Scorpions' for murdering one of its members. The objective of the game is to fight off the members of the Scorpions and confront the true culprit, a rival martial artist named Anderson. Unlike the Game Boy version of the first game, a second player can now join anytime via the use of a Game Link Cable, taking control of Billy's brother, Jimmy. The play mechanics are simplistic compared to previous Double Dragon games. Like in the Game Boy version of the first game, the player has a punch button and a kick button. However, instead of jumping, pressing both buttons will cause the character to kneel. While kneeling, pressing either button will cause the player to perform a jumping uppercut. Instead of the hair grab from previous games, the player will do a collar grab (similar to Renegade), in which the player can repeatedly knee kick the opponent or toss them. The player may also leap over fallen opponents. Despite the presence of armed enemies, the player cannot disarm them and pick up their weapons like in other Double Dragon games. The game is composed of three stages, with four levels for the first two stages and two for the final stage (a total of ten levels). The third and final stage is only available when the game is played on the Normal or Hard difficulty setting.
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