You can also trade without worrying about other players using an unfavorable maritime trade rate.
Each player's roll of the dice causes certain hexes to produce resources, which you collect if you have a settlement on one of them. On your turn, you'll use various combinations of the resources you've acquired to build new roads and settlements, upgrade settlements to cities, or purchase development cards. The ability to trade resources with other players adds a new level of strategy and ensures that the game includes lots of interaction between players. You can also trade without worrying about other players using an unfavorable maritime trade rate. Elements including a robber piece that lets you steal from other players and a variety of development cards add intrigue to the game.