"The Dragon Ball Z Super Butoden series spans four games (Dragon Ball Z: Super Butoden, Dragon Ball Z: Super Butoden 2, Dragon Ball Z: Super Butoden 3, and Dragon Ball Z: Shin Butoden).
Games 1, 2, and 4 have story modes that follow the Cell Games. 1 has a story that starts with the final saga of Dragon Ball and ends with the Cell Games. 2's story revolves around the Cell Games, as well as a few stories unrelated to canon material. 3 has no story. Shin Butoden starts with the Android Saga and ends with the Cell Games."
Source: Wikipedia, "List_of_Dragon_Ball_video_games", available under the CC-BY-SA License.