Double Dragon ROM

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Double Dragon is a 1990 beat ’em up video game developed by Technōs Japan for the Game Boy. It is the first title in the Double Dragon franchise. The game’s development was led by Yoshihisa Kishimoto, and it is a spiritual and technological successor to Technos’ earlier beat ’em up, Nekketsu Kōha Kunio-kun (1986), released outside of Japan by Taito as Renegade; Kishimoto originally envisioned it as a direct sequel and part of the Kunio-kun series, before making it a new game with a different cast and setting.

Double Dragon introduced several additions to the Kunio-kun belt scroll beat ’em up formula, such as a continuous side-scrolling world adding a sense of progression, two-player cooperative gameplay, the ability to arm oneself with an enemy’s weapon after disarming them, and the use of cut scenes to give it a cinematic look and feel. The game’s title is a reference to the two-player gameplay and Bruce Lee’s martial arts film Enter the Dragon (1973), which was a major inspiration behind Kunio-kun and Double Dragon.

The game is displayed in a belt scroll format, like Kunio-kun. In contrast to the arena-like levels in Kunio-kun, Double Dragon takes place in a continuously side-scrolling world. The player takes control of martial artist Billy Lee, or his twin brother Jimmy (also known as Hammer and Spike in the supplementary materials for the American arcade release), as they fight their way into the turf of the Black Warriors gang in order to rescue Billy’s girlfriend, Marian.

The player character has a repertoire of martial arts techniques which they can perform by using the joystick and three action buttons (kick, jump, and punch) individually or in combination. Techniques range from basic punches and kicks to more elaborate attacks such as throws and elbow strikes. When playing with another player, one can grab an opponent from behind, allowing the other to attack unimpeded; some enemies are able to do the same thing to the players.

The player begins the game with a certain number of extra lives and a life gauge which depletes as the player takes hits, and must complete each stage within a time limit. One life is lost if either the life gauge or timer reaches zero, or if the player character falls off the bottom of the screen or into a hole, river, or bed of spikes.