Oil has been discovered on the island of CATAN. The engineers of CATAN have learned ways to improve production using this valuable new resource, both by converting it into other resources and enabling the upgrade of cities into metropolises. But inhabitants face a new challenge: deciding whether the common good is worth limiting oil usage or if the pursuit of victory is worth the risk of ruin.

-Introduces a new resource, oil, that is not distributed like other CATAN resources

-Introduce a new mechanic: the disaster track

-Adds depth and complexity to your games of CATAN

-This is an expansion. A copy of the following is required to play: CATAN