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Just Cause 4 Multiplayer is a fan-made modification for Just Cause 4 that adds an online multiplayer mode. Explore, destroy, and create chaos with friends.
Only available for Just Cause 4 for PC on Steam
Join 11 people playing across 5 servers right now!
CREATE CHAOS
WITH FRIENDS
Team up with players from around the world and unleash destruction together. Whether you're liberating cities, pulling off insane stunts, or just causing mayhem, JC4MP brings the chaos multiplayer was meant for.
POWERFUL
SCRIPTING API
Build your dream server with our robust Lua scripting API. Create custom game modes, scripted events, and immersive experiences. Plus, create beautiful webviews using JavaScript, HTML, and CSS for seamless UI integration.
EXPLORE
TOGETHER
Discover the vast world of Solís with friends by your side. From the bustling cities to the wild jungles, every corner of the map becomes a playground for multiplayer adventures.
JOIN THE COMMUNITY
Connect with thousands of players, share your creations, and stay updated with the latest news. Our community is always ready to help and welcome new members.