Join the multiplayer madness of Just cause 3 today and be a part of our community with over 150,000 players!


Nanos JC3:MP, created by nanos GbR, is a free modification bringing highly-customizable multiplayer to the Just Cause franchise.

Our modification opens the door to incredible multiplayer possibilities including racing, deathmatch, skydiving, roleplaying or freeroam. But it doesn't have to stop there: Thanks to our powerful scripting API server owners can easily create gamemodes on their own.

WHAT CAN YOU EXPECT?


The smoothest flying, driving and shooting in town!

Nanos JC3:MP offers state-of-the-art synchronisation reducing lag to a minimum. What's more fun than accurately shooting your opponents cargoplane with a rocket launcher?

More friends? More fun!

Our modifications allows you to play with hundreds of people on the same server cooperatively or competitively.

Whether you are driving through Medici in a roadtrip or you are blowing up bridges and bases: You will never be alone.

Hours of Fun. For FREE!

Hundreds of different community driven servers allow for very diverse gameplay. Racing, Deathmatch, Roleplaying: You name it, we got it!

This diversity ensure that each of your playsessions will never be the same.

Endless customization. Endless possibilities!

With our integrated server- and clientside scripting API you can literally create any gamemode you want.

Thanks to modern technologies such as Node.js, V8 and CEF the only limit is your imagination.

HYPED? GET THE MOD TODAY!

Join the madness by downloading our first steam release today!

Store.steampowered.com

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logo2.png.83a2e23329b74d1d8a56cf40428ca70c.png

Hey guys and girls,

We are very excited that our mod is finally available on Steam.

Let's start with a quick list of things that changed from the last beta to the this very first Steam release.

  • New Client UI
    • We entirely redesigned the UI for a nicer look and added functionality to integrate better with Steam
      • You can change game settings in our UI now
      • The native JC3 menu has been disabled
  • Steam Integration
    • You can join and invite friends directly via Steam
    • The masterlist was changed to use the Steam services
      • The masterlist package is no longer needed or used anymore
  • Improved File Transfer Performance
  • Added ShowHud, HideHud and IsHudVisible to scripting API
  • Added client side vehicle scripting (see docs for more information)
  • Added functions to interact with a specific WebUIWindow
  • Updated CEF to version 3029
  • SetOccupant now teleports the player if the vehicle is not in streaming range
  • Fixed mouse leave event not working properly
  • Fixed DrawRect not working in 2d render mode
  • Fixed player health getting restored on teleport
  • Fixed player getting invulnerable on teleport
  • Fixed issues in Crash Dialog, address is now displayed correctly
  • Fixed audio files not playing properly in a WebUIWindow
  • Fixed the linux server requiring LD_LIBRARY_PATH=lib to launch
  • Fixed custom properties of player object not getting reset properly on disconnect and getting reused for the next player
  • Fixed several server crashes
  • We have changed the detection of the Just Cause 3 installation to work more reliable. This should help a lot of people, who were not able to find their local Just Cause 3 folder.

So what are we going to do next?

The first thing that we want to tackle with 1.1.0 is, that we want to rebuild the foundation of our client, just as we did with the 0.9.9 release for the server. This way we can ensure that we can deliver future updates faster, but still keep our code base ready for upcoming features. It also allows us to improve stability even further, as we can reduce crashes and bugs by cleaning up several parts of our client code.

If you want to follow our development plans, feel free to take a look at our public GitLab issue tracking: Gitlab.nanos.io. We are always trying to be as transparent with our development as possible and the best way to follow our development is to just take a look at GitLab from time to time.

If you think there’s a feature missing in the mod our you’ve encountered a bug, please report it on our issue tracker: Gitlab.nanos.io.

 JC3:MP - 1.1 Development Blog #9

JC3:MP - 1.1 Development Blog #9

News

Part 9 of our development blog series for the major update 1.1.

JC3:MP - 1.1 Development Blog #8

JC3:MP - 1.1 Development Blog #8

News

Part 8 of our development blog series for the major update 1.1, including a rewritten client and tons of new, unique features.

 JC3:MP - 1.1 Development Blog #7

JC3:MP - 1.1 Development Blog #7

News

Part 7 of our development blog series for the major update 1.1, including a rewritten client and tons of new, unique features.

JC3:MP - 1.1 Development Blog #6

JC3:MP - 1.1 Development Blog #6

News 6 comments

Part 6 of our development blog series for the major update 1.1, including a rewritten client and tons of new, unique features.

Comments  (0 - 10 of 14)
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help please

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Guest
Guest

hi

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Guest
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Make it for ps4

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download just cause

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Guest
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dope

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AngeltheSavior
AngeltheSavior

Finally , the only reason to own Just Case 3 :D

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dennismitzwein Creator
dennismitzwein

YAY! Hope you enjoy it!

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r00tsu
r00tsu

Twitter.com
Best mod eu west almost released #germans

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dennismitzwein Creator
dennismitzwein

can confirm!;-)

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Guest
Guest

Lol I got your username :D
I read it out like "dennis mitz wein"
Now I know it is " dennis mit zwei n" XD

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dennismitzwein Creator
dennismitzwein

Yes, the name is actually the result of people writing my real name with just one n instead of two. Rip.

Reply Good karma+2 votes
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RT @nanos_world: Long time no post, here‘s some boom boom We‘re currently organizing more test sessions with more testers. If you g… T.co

Jun 10 2020

RT @nanos_world: Leak straight outta the test sessions: Youtube.com #indiedev #UnrealEngine

May 13 2020

RT @nanos_world: We worked on our sunsets. Looking good, right? #unrealengine #ue4 #indiedev T.co

Apr 26 2020

RT @nanos_world: the default „take me back“ instagram pic #indiedev #UnrealEngine #ue4 T.co

Apr 21 2020

RT @nanos_world: Yesterdays test session was a success for us. We reduced our known crashes from over 50 to only 3 and we were able… T.co

Apr 13 2020

HAPPY EASTER T.co

Apr 12 2020

RT @FreeroamUL: Just Cause 3 Multiplayer - Freeroam Unlimited changelog Version 4.1.2 #JustCause3 #JustCause4 T.co

Apr 11 2020

our Discord got #updated. T.co

Apr 10 2020

RT @nanos_world: small village - a big city will follow ofc #indiedev #UnrealEngine #ue4 T.co

Apr 1 2020