Fallout: New Vegas - Old World Blues - Trailer (Official) - Fallout: New Vegas - Old World Blues

You're transported to the Big MT research crater, assisting the Think Tank whose experiments have gone awry. Explore labs, battle mutated animals and atomic robots, and seek Pre-War era tech.

What do players do?

The core gameplay loop involves combat, exploration, and character progression through quests and item acquisition, all while discovering a new home base.