“Pandemic: On The Brink” is an exciting expansion to the co-operative game Pandemic, where the goal is to discover and cure four different diseases. The expansion introduces seven new player characters, eight new special events, and several challenge modules that can be added: Virulent Strain that makes a disease extremely deadly in unpredictable ways, Mutations that add a fifth (purple) disease, and Bio-Terrorist where one player plays against all others! Additionally, you can now play with a fifth player and on Legendary difficulty. Challenge your team and save the world in a whole new way!