You actually can purchase leftovers as a party and I didn't know that until just a week or two ago. You'll want to have an account set up if you don't already for each of you and then be logged into your account and on the page with all the leftover options BEFORE the bewitching hour. As soon as the gray shaded areas turn black hit what you want and follow the instructions. Here is a C/P of the party application porcess taken off the website:
This allows you to make a single purchase of a set of antelope, deer or elk licenses for a group of up to 6 sportspersons for a SINGLE SPECIES, HUNT AREA and TYPE; paid for with a SINGLE CREDIT CARD allows you to make a purchase for up to 6 different license types, plus a Conservation Stamp for one sportsperson in a single transaction. Group of Sportspersons Purchase Individual Sportsperson Purchase Be prepared to use this system by first reviewing The Online Electronic License System Guide. Special instructions for purchasing unlimited doe/fawn deer licenses in areas 24, 27, 29, 30 and 33