Epic Games has announced a Horde Bash update to Fortnite's Save the World PvE mode. The update is out October 5 for PS4, Xbox One, PC, and Mac. Challenge the Horde mode starts with players building a portable horde fort in the staging area before joining up with up to three friends and the enemies start crashing your gates. The update also includes a new event llama with 4 new heroes, 9 weapons, and 2 defenders, 25 new progression quests and more. Fortnite is currently in a paid early access period and will be free to play in 2018.