Gold, often represented by a capital G, is the primary currency of the Fossil Fighters universe, being used in Fossil Fighters, Fossil Fighters: Champions, and Fossil Fighters: Frontier. It can be acquired many different ways: digging it up, selling items, rewards from sidequests, and etc. Gold is used to purchase items such as Masks, Fossil Rocks, Jewel Rocks, tools such as the Super Drill and Hyper Hammer, upgrades to the Sonar, and ect. In Fossil Fighters: Frontier, it can be used to buy new Bone Buggies and upgrades for them.