Tom Clancy's Rainbow Six (Sega Dreamcast)

The most revolutionary action/strategy game of its kind, nothing comes closer to offering an exciting combination of strategy, team-building, realistic three-dimensional graphics and true-to-life special forces action. The ultimate goal is to save yourself and the world from deadly terrorists. You must successfully complete 16 unique missions, plus eagle watch missions. If you fail, the game isn't over. The world is.