The objective of the game is to get your score as high as possible; you do this by increasing your population and your habitability as quickly as possible. However there is a catch, the longer you take the lower your score. Space can be used to end the turn. The different buildings are: Colony; provides 2 population consumes 1 Money per turn Farm; requires 1 population to work produces 4 food per turn Mine; requires 2 population to work produces 1 metal per turn Terraformer; requires 1 population to work increases your terraforming power by 1 Factory; requires 3 population to work produces 7 money per turn and uses 1 metal per turn