Nvidia GTX 660 or AMD Radeon HD 7870 equivalent DX11 GPU System Requirements and Supported Platforms Supported Platforms PC Players can play the missions solo or join with up to 3 friends. Although, multiple levels of progression are given for players to utilize in order to better reach their goal. The tasks are straightforward as they mostly are made up of building around a structure and defending it. In Save the World, the player takes on the role of a Hero, with the task of fighting against The Storm, rescuing Survivors, building structures, and upgrading and expanding a Storm Shield to protect the area. Players must complete missions, gather and upgrade weapons and heroes, and progress through 4 Zones in the campaign in a world infested by The Storm. Save the World is a PvE (Player versus Environment) mode in Fortnite that was released when the game released on July 25, 2017.