The gameplay of Fossil Fighters: Frontier has been drastically changed from that of the first two installments. It features a much larger, more open world, a different mode of transportation, many vivosaur design changes, and a reworked battle system with several new mechanics including the ability to team up with two NPC allies.

Notable Changes from Fossil Fighters & Fossil Fighters: Champions :

• Addition of the customizable Bone Buggy
• Removal of Miraculous, Wondrous, and Curious fossils
• Improvements to the Sonar mechanic
• Fossils are cleaned at the Dig Site
• Change from single 3 v. 3 matches to a 3 person v. 3 enemy match
• Removal of Support Effects and addition of Support Shots and the stance mechanic
• Removal of fighters that appear at digsite, replaced by wild rouge vivosaurs.
• Vivosaurs appear in dig sites
• Paleo Pals (NPC partners)
• Vivosaurs can be revived with any fossil
• Regional variants of the same vivosaur species
• Ability to switch between normal and rare fossil parts for different skills
• Removal of the Legendary type
• A change to the vivosaur element interactions. Earth and Air have traded places in the elemental cycle.