You cannot mine XUP (unoparty token), this can only be acquired by burning of the UNO coin, or buying from another user who has acquired XUP.
In both wallets available there is a Decentralized Marketplace which you could also use to purchase xup from other users by swapping other assets created on the platform.

you can mine the Unobtanium coin by using mining pools, UNO can be mined with merge mining.

for more information on Unobtanium you can visit here;

Unobtanium BTCTalk Thread