Tom Clancy's Rainbow Six

You have been recruited by John Clark to be a member of Rainbow, the most elite counter-terror team in the world, with members from various countries of the world. You start out rescuing hostages from the terrorists, but as you go on, you discover there are bigger things at stake - such as the entire world. Rainbow Six is a first-person shooter with an emphasis on realistic weapons and tactics. You must use existing intelligence like floor plan layouts to plan your assault. You can use up to fou...