The Expanse Boardgame Doors & Corners expansion contains five new modules — Leaders New Tech Resource Tokens Protomolecule & Variable Setup — that add an engaging element to the strategy & gameplay as players compete for dominance in the world of The Expanse You can use any number of modules in any combination in conjunction with the base game In more detail leaders go with fleets & can add influence when they move with a fleet New tech allows variety & surprise in what powers are available because when a tech is earned you have three random choices for that tech Resource tokens can be spent in several ways including helping to pay CP costs adding up to 4 AP to a card moving up the initiative track & earning bonus points for having the most at final scoring Protomolecule adds a new scoring opportunity Variable set-up allows fleets & influence to be placed anywhere at the start of the game