However, you should focus on specific types of challenges to unlock certain Gear Mods sooner.
Once enough gears have been earned, a new ability can be enabled, rather than have currency spent to unlock it. Just Cause 3 restricts what you can unlock. Completing them earns between one and five gears, which are used to unlock Gear Mods, new abilities for Rico. Challenges in Just Cause 3 are an excuse to race, fall with style and blow shit up to the tune of a tense timer.