Double Dragon is a Portland take on the banh mi sandwich using local, sustainable ingredients whenever possible. In all cases, we use only natural, hormone. Action · Two brothers have half of a powerful ancient Chinese talisman. An evil gang leader has the other half, and determines to get the brothers' half and have a. Double Dragon is a beat 'em up video game developed by Technōs Japan and distributed in North America and Europe by Taito. The game is a spiritual Arcade system : Custom.