Tomb Raider Underworld Tomb Raider: Underworld for Nintendo DS 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 Features a 3D game engine, but inserts the action into a 2D side-scrolling perspective to accommodate the DS's controls Underworld takes advantage of the DS's unique touchscreen and microphone to solve environmental puzzles, unlock chests, access inventory, and change weapons Over 50 unique action-based challenges and context-sensitive puzzles Tomb Raider: Underworld for Nintendo DS 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 Features a 3D game engine, but inserts the action into a 2D side-scrolling perspective to accommodate the DS's controls Underworld takes advantage of the DS's unique touchscreen and microphone to solve environmental puzzles, unlock chests, access inventory, and change weapons Over 50 unique action-based challenges and context-sensitive puzzles