Double Dragon 3: The Rosetta Stone (ダブルドラゴン3 ザ・ロゼッタストーン, Daburu Doragon 3: Za Rozetta Sutōn?) is a side-scrolling beat 'em up produced by Technōs Japan that was originally released as a coin-operated arcade game in 1990. It is the second sequel to Double Dragon for the arcades, following Double Dragon II: The Revenge. A Nintendo Entertainment System game loosely based on the arcade version was released, along with conversions for the Sega Mega Drive/Genesis, Game Boy, and various computer platforms.