The document summarizes an immersive training game called Synergy used by Sellafield Ltd to train employees. Key points: - The game allows trainees to learn in a stimulating way by simulating the real-world operations of Sellafield Ltd. This supports cultural change and team building. - Trainees found it very engaging and were able to take lessons back to their work, like considering wider strategic impacts before making asset decisions. - The game is designed to be relevant across experience levels, from apprentices to senior managers. - It simulates the interdependencies between different parts of the organization in processing waste, with limited budgets and other constraints. - Trainees have to make