From the announcement:
The pledge manager for Dungeonland is now live. Click the following link to visit the pm and complete your pledge in 4 simple steps.
Choose your pledge
Choose any add ons
Add your shipping info
Confirm the order and complete checkout
All pledges and add ons include shipping. If you are a KS backer, the amount you pledged on KS is already transferred in the pledge manager, so you confirm and add any add ons you may want. If you are a new backer, you follow the 4 steps as they are described above. If you have any questions, please do not hesitate to contact us here or at email@example.com