Base Game Rules
On the Brink: Roles and Events
On the Brink: Virulent Strain
On the Brink: Mutation
Mutation Rules
Mutation Rules
Mutation Rules
Setup
Mutation cards
Mutation Event cards
Mutation Event card: The Mutation spreads
Mutation Event card: The Mutation intensifies!
Mutation Event card: The Mutation threatens!
Mutation Infections Effects
Curing the purple disease
Winning or Losing
Fine Points