Mobile Suit Gundam: Gundam vs. Zeta Gundam (Kidou Senshi Gundam: Gundam vs. Z Gundam in Japan) is a PS2 and GameCube arcade third-person shooter. It was released on the PlayStation 2 in the U.S. on June 29, 2005. The game takes place seven years after the One Year War Gundam storyline. The game features 31 mobile suits which can be played on five different modes. These modes are arcade, versus, universal century mode, survival, and training.
Source: Wikipedia, "Mobile Suit Gundam: Gundam vs. Zeta Gundam", available under the CC-BY-SA License.