Released Dec 16, 2013 Free Very Positive Counts toward your Steam games

Just Cause 2: Multiplayer Mod

By Avalanche Studios · published by Square Enix

Open World Multiplayer Action Third-Person Shooter AdventureModSandbox Massively Multiplayer ShooterFree to PlayThird PersonCo-op

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Followers —

Reviews 14,568 Very Positive

Players yesterday 7 at the busiest moment

Owners 2M–5M estimated

Just Cause 2: Multiplayer Mod is a game tagged Open World, Multiplayer and Action by Avalanche Studios, released Dec 16, 2013. It has 14,568 Steam reviews (Very Positive). It has an estimated 2M–5M owners on Steam. The Steam games most like it include Just Cause 2, Just Cause™ 3: Multiplayer Mod and Just Cause™ 3.

JC2-MP is a project to bring multiplayer to Just Cause 2 in all of its magnificent glory. Imagine the chaos of normal Just Cause 2, then extending it out to dozens, hundreds, and even thousands of players.

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<a href="https://launchrivals.com/games/259080-just-cause-2-multiplayer-mod"><img src="https://launchrivals.com/games/259080/badge.png" alt="Just Cause 2: Multiplayer Mod launch date" width="320" height="84"></a>

<a href="https://launchrivals.com/games/259080-just-cause-2-multiplayer-mod"><img src="https://launchrivals.com/games/259080/badge.png?theme=light" alt="Just Cause 2: Multiplayer Mod launch date" width="320" height="84"></a>

Just Cause 2 75% match · Open World, Multiplayer, Action
Just Cause™ 3: Multiplayer Mod 70% match · Open World, Multiplayer, Action
Just Cause™ 3 62% match · Open World, Multiplayer, Action
Saints Row 2 61% match · Open World, Multiplayer, Action
Just Cause 59% match · Open World, Multiplayer, Action
Red Faction Guerrilla Steam Edition 56% match · Open World, Multiplayer, Action
Far Cry® 2 53% match · Open World, Multiplayer, Action
Prototype ONE DAY I AM 50% match · Open World, Action, Adventure
Far Cry 3 50% match · Open World, Multiplayer, Action
Just Cause 4 Reloaded 49% match · Open World, Action, Third-Person Shooter

Steam data

Everything Steam lists for Just Cause 2: Multiplayer Mod · record updated 23 hours ago

Steam store

Overview

App ID259080

Release dateDec 16, 2013

Last change number40065473

Last record update23 hours ago

App type: Game
Developer: Avalanche Studios
Publisher: Square Enix
Steam profile: Counts toward game count and achievement totals · checked Nov 1, 2025
Website: jc-mp.com

Windows

Steam Deck: Unsupported
Controller: Partial support

Single-playerPartial controller supportMulti-playerSteam Achievements

Patches

Build	Branch	Updated
1867542	public	Jun 5, 2017
1867542	publicbeta	Jun 5, 2017

Packages & DLC

ID	Name	Price (US)
271540	Not on the store yet	—
271750	Not on the store yet	—

Depots

ID	Name	Systems	Size	Download	Manifest
228984	— shared from 228980	Windows	—	—	—
228985	— shared from 228980	Windows	—	—	—
259081	—	All	18.1 MB	7.3 MB	2816355392406302341

Branch	Build	Updated	Access
public	1867542	Jun 5, 2017	Open
publicbeta Public beta testing branch	1867542	Jun 5, 2017	Open

Configuration

Install foldersteamapps/common/Just Cause 2 - Multiplayer Mod

Executable	Arguments	Systems	Description
JcmpLauncher.exe		Windows	Launch

Space per player143.1 MB

Filesup to 1,000

Save locations0

Data from public Steam pages, updated daily; 1 day of history. Owner counts are estimates. LaunchRivals is not affiliated with Valve or Steam.

Just Cause 2: Multiplayer Mod

About Just Cause 2: Multiplayer Mod

Steam data

Overview

App info

Platforms

Features

Patches

Builds

Packages & DLC

DLCs

Depots

Depots

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Configuration

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