Yes. You'll be receiving the game at a lower price than retail. You also get bonuses based on how many copies you backed:
2 or more copies: Crow and the Pitcher Scorepads for each copy
3 or more copies: Metal dealer button for each copy
Domestic shipping is included. International backers should increase their pledges according to their pledge level to help cover part of the international shipping cost.
Kickstarter is a crowdsource funding platform for creative projects. Backers only pay if a project hits its goal.
Don't see the answer to your question? Ask the project creator directly.