Just Cause 2: Multiplayer Mod

Open-world action mod for multiplayer chaos and sandbox play

Avalanche Studios · Published by Square Enix · Released Dec 16, 2013

Reviews: Very Positive; 91% of 16K
Recent reviews: Not enough recent
Players: 1; daily peak, Nov 7, 2026
Steam Deck: Unsupported
Last update on Steam: 9 years ago; Jun 5, 2017
Minimum PC: HD 2600; 2 GB RAM · 10 GB disk; Full requirements

What is Just Cause 2: Multiplayer Mod?

This free-to-play multiplayer mod puts players in Just Cause 2's open world together. They roam, shoot, and cause chaos in a third-person sandbox.

For you if...

+you enjoy causing chaos with others in open worlds
+you like third-person shooting in a multiplayer sandbox

Not for you if...

−you prefer guided objectives over open-ended sandbox play

What players say

91% of 16,204 reviews are positive

Players recall enjoying the chaos and spending time with others on servers. Recent reviewers say the player base is much quieter now.

Screenshots and trailer

Just Cause 2: Multiplayer Mod screenshot 1

Just Cause 2: Multiplayer Mod system requirements

Minimum: HD 2600, 2 GB RAM, 10 GB of disk space.

As published by the developer.

Can my PC run Just Cause 2: Multiplayer Mod?

Tell us your graphics card once and every game page will answer this for you.

Set up my PC →

Minimum

OS: Microsoft Windows Vista (Windows XP is unsupported)
Processor: Dual-core CPU with SSE3 (Athlon 64 X2 4200 / Pentium D 3GHz)
Graphics: DX10 compatible graphics card with 256 MB of memory (Nvidia GeForce 8800 series/ ATI Radeon HD 2600 Pro)
Memory: 2GB System Memory
Storage: 10GB of free drive space

Does Just Cause 2: Multiplayer Mod have co-op or multiplayer?

Yes: multiplayer (mode not specified). It also has a single-player mode.

Does Just Cause 2: Multiplayer Mod run on Steam Deck?

Unsupported No: Valve rates it Unsupported on Steam Deck.

Not supported on SteamOS

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 20
Steam features: Family Sharing
Age rating: 17+
Languages: Full audio: English, French, German, Italian, Spanish - Spain. Text only: Polish, Russian.

Does Just Cause 2: Multiplayer Mod use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam