Dragon Ball Z: Gekitō Tenkaichi Budokai is the first fighting game based on Dragon Ball Z. It was released only in Japan by Bandai on December 29, 1992, for the Famicom. The game was unique in that it came with a special card reader attachment for the Famicom, the Datach Joint Rom System, which requires several special cards to be swiped in order to add characters and items in the game.
Dragon Ball Z: Gekitō Tenkaichi Budokai is the very first game to come packaged with the Datach Joint Rom System add-on. The Datach Joint Rom System is a hardware capable of scanning information from the barcodes on special trading cards, which were sold separately from the add-on. There is no traditional character select screen contained within the game, nor is a single playable character in the game usable by default, as the player had to swipe a card through the reader to send new characters and items directly into the game.