Tim Cain, the legendary co-creator of the original Fallout game, has made headlines once again by rejoining Obsidian Entertainment as a full-time employee. This exciting news comes as Cain hints at working on a mysterious, unannounced project that he believes fans wont be able to guess. His return marks a significant moment for both Cain and Obsidian, especially after his previous work on acclaimed titles like The Outer Worlds and Pillars of Eternity.