Can you get rid of the red virus? Inspired by Smart Games' international best seller Anti-Virus, discover the 60 challenges of Anti-Virus Mutation, in a travel-friendly size. Can you get rid of the red virus? Anti-Virus Mutation features similar rules as the classic version but on a different game board. The colorful pieces move horizontally and vertically instead of diagonally, resulting in a whole new play experience and a different game. Anti-Virus Mutation challenges players to slide all of the colorful pieces around the board in order to clear a path to remove the red virus. A great travel game that features 60 challenges with a portable carrying case.