Allows you to add up to two more opponents to The Settlers of Catan. The only change in the rules is that there is a building round at the end of each turn in which any player can build.
Belongs to the Catan Series.
Expands:
Catan
 
Expanded by:
Catan: Seafarers – 5-6 Player Extension
Catan: Cities & Knights – 5-6 Player Extension