The Big Expansion includes a number of mix-and-match components:
Pieces and rules for five-player games.
An updated version of Rough Road Ahead, a set of cards previously released in a downloadable format on the Czech Games website that will be expanded and reformatted.
Additional adventure cards, including two previously available only at Spiel 07.
A special deck of adventure cards that players individually insert into the deck themselves to surprise their fellow drivers.
A new alien species.
New ship building components, including life support for the new ET.
New ship classes.