
Players can hoard green plants to produce syringes, which heal Jason when his health depletes during combat scenarios or provide other gameplay advantages.

By hunting different animals and harvesting their corpses, players gain materials necessary for crafting new items such as weapon holsters and ammo pouches. Rook Islands is inhabited by a wide variety of wildlife including jaguars and sharks, and the game's artificial intelligence enables the wildlife to interact with each other to simulate a realistic ecosystem. Jason will encounter different friendly settlements where he can shop for weapons and materials and complete side missions including hunting quests and assassination missions.

Later in the game, players will find a wingsuit that Jason can wear. Jason can travel using a variety of vehicles including dune buggies, all-terrain vehicles, cargo trucks, jet skis, boats and hang gliding. Rook Islands is an open world in which players can explore freely. Each skill tree upgrades different aspects of Jason's abilities, with the Spider upgrading his stealth takedowns and hunting skills, the Shark upgrading assault takedowns and health, and the Heron upgrading his long-range takedowns and mobility.As skills are collected, a tribal tattoo on Jason's forearm grows correspondingly. Skills are collected by gaining experience from completing missions and killing enemies, and are unlocked in three skill trees, themed as the Spider, the Heron, and the Shark.

For instance, players can scout an enemy's outpost by using a camera to mark the locations of enemies, or toss rocks to distract enemies.The stealth approach, which can be done by using silenced weapons and combat knives, can prevent enemies from triggering alarms which call for reinforcements. Alternatively, players can utilize stealth to avoid the attention of enemies. They can kill enemies by utilizing firearms such as assault rifles, sniper rifles, grenade launchers, rocket launchers, and explosives like land mines and grenades. Players portray Jason Brody and can approach missions and objectives in a variety of ways. Far Cry 3 is a first-person shooter set on the fictional Rook Islands, a tropical archipelago controlled by bandits and pirates.
