Mayhem is an expansion for Vapor's Gambit. This expansion includes 6 expansion boards and 6 chits. There are additional turns and straight aways as well as a 4 way intersection and a narrow (2 spaces wide) straight away. Of the chits, there are more ramps and the addition of 2 damage repair chits.This expansion allows you to build larger and more elaborate tracks.Expands: Vapor's Gambit - BoardGameGeek