The Radioactive expansion to the award-winning RoboRally board game features formidable hazards for players programming Twonky and the other robots. New board elements combine with favorite elements from previous releases for a fast-paced, unpredictable romp through the Widget Factory. The Radioactive expansion includes three new game boards (Shake 'N' Bake, Pinwheel, & Reactor Core) for use with the original RoboRally board game. Expands: RoboRally Other Expansions: RoboRally: Armed and Dangerous RoboRally: Grand Prix RoboRally: Crash and Burn