FREE: Tomb Raider Underworld

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Tomb Raider: Underworld for Nintendo Xbox 360 by Eidos resumes where Tomb Raider: Legend left off and introduces a new, interactive playing environment
Lara Croft explores a wide array places, such as the Arctic, Mexico, and beneath the Mediterranean Sea
Environment is much more realistic and interactive -- footprints will be left in mud, for example, but only until it rains and then they will wash away
Melee combat system that requires players to strategically strike with offensive, defensive, and evasive maneuvers
Improved AI allows enemies and animals to make decisions based on surroundings, employ ambush and squad tactics, and even retreat if deemed necessary