An Art Code is a series of one number and one letter that represents that Cameo Creep. Example would be 1B, 1C, 1D, ect. Each Cameo Creep reproduction has an Art Code that you will use to pick your Creep(s)
Yes! Pick a reward on the right side bar. Click it and it will take you to a page and ask what amount you would like to pledge. Pledge any amount. As long at that pledge is larger than the amount of any particular reward, choose a reward. Or choose no reward.