Barter trades a set of items, and sometimes cash, for one item. This is how you get Drills, Decoders, defense modules and VIP keys. All the recipes:
Barter
10 trade recipes: what to hand over and what you get.
10 trade recipes: what to hand over and what you get.
Barter trades a set of items, and sometimes cash, for one item. This is how you get Drills, Decoders, defense modules and VIP keys. All the recipes: