Confogl Competitive Versus Mutation Confogl is a set of rules for competitive L4D2 Versus that standardizes many of the elements and changes item and weapon distribution. In general it tips the balance a bit more towards the Infected. Thanks to ProdigySim for creating this Mutation. Confogl? We asked if you would like to try Confogl and you answered yes by 70%. Confoglgol? Now that you had a chance to play Confogl, what do you think?