Fangamer is handling all reward fulfillment, including shipping, for Firmament.
Any questions regarding shipping or fulfillment should be directed to Fangamer’s customer support, here.
Fangamer will also be emailing backers their digital game keys/codes when the game releases. Details regarding the stores which you will be able to redeem your digital game keys/codes at (Steam, GOG, etc.) will announced when they are available.