Eidos Interactive has announced that the demo for Tomb Raider: Underworld is now available for the Xbox 360 through Xbox Live Marketplace. The demo gives gamers first chance to become a part of the epic adventure that awaits when Tomb Raider: Underworld launches on November 21st in Europe.

In the demo you'll travel to the western coast of Thailand - the second destination in Tomb Raider: Underworld - to experience a taste of the adventure that is to come. Gamers can master steep coastal cliffs, navigate perilous and crumbling ruins, evade vicious wild animals and use state-of-the-art gear such as the grapple or the new Field Assistance System to create and uncover paths that will take players deep into the challenging wilds of Thailand.

Tomb Raider: Underworld is set for release on the Xbox 360, PlayStation 3, Nintendo Wii, PlayStation 2, Nintendo DS, and PC Games for Windows platforms. With development led by Crystal Dynamics, the game represents what Eidos calls "a new achievement in exploration-based gameplay".

The Tomb Raider: Underworld demo is offered in English, French, German, Italian and Spanish and will also be available for the PC on October 31st. A series of additional exclusively downloadable chapters will also be made available on Xbox Live soon.