Double Dragon is a series of fighting games. It was developed by Techno Japan and was originally released as an arcade game in 1988. The series was adapted into a live-action film in 1993 and another animated series was produced in the same year.

The original arcade game was a 2D side-scroller wherein the player controls two characters, Billy Lee and Jimmy Lee, who fight various opponents. In the live-action film, the player controls a character named Billy Lee who fights against opponents named Jimmy Lee and Mike. In addition, the game includes two levels, "Old School" and "New School", in which the player can choose between two characters.

In the arcade game, the player can perform attacks by pressing the buttons or tapping the screen. The attacks are performed by the characters and the enemies.