Tomb Raider: Underworld is basically the prequel to the much hyped Tomb Raider game series. It's the follow-up to the last Tomb Raider game, Tomb Raider: Anniversary, before its release. The game starts three years after the events of Tomb Raider: Legend. This time, it is in a post-apocalyptic world, where the only remaining force on Earth strong enough to protect the human race from an impending volcanic eruption is a group of British Royal Air Force soldiers who call themselves the Tomb Raiders. They were dispatched by the then King of England, to find and extract the kidnapped Presidentress of America, Bella Gardner, from her mansion in Washington, D.C.
The game follows the storyline of Tomb Raider: Legend. However, it diverges from that series' main plot, and revolves instead around the idea of a worldwide conspiracy. In this game, however, Lara must save the world as well as finding out who is behind the attacks on her father's life. This first Tomb Raider game is the last chapter in Crystal Dynamics' Tomb Raider franchise, and as such, it features all the great things that made the previous games so popular. As stated above, it ties up the tale of Lara and her father and also introduces us to the new hero, a girl named Iris.
Despite being only a video game, Crystal Dynamics: Underworld stands out amongst the Tomb Raider video games for a few reasons. First of all, unlike most games in this genre (which is usually more action oriented and less story-driven), Tomb Raider: Underworld features strong puzzles and game play that makes it very engrossing and fun to play. Also, despite being a third game, this one has a lot more content than any of the previous games in the Tomb Raider franchise. For fans of this type of game, this one is definitely recommended!