Casus Belli is a realistic multiplayer mod for Crysis Wars that is inspired from the Battlefield 2 game. It takes place the context of a third world war. You embody a soldier in many different surroundings, from the Afghan deserts to Ukrainian cities. Although Casus Belli is a First Person Shooter game, it involves some Role Playing games concept that make it unique. A new background: - More than 250 new assets (buildings, vehicles, objects, etc.) - Tens of new maps - Music composed by a professional composer and played by a true professional orchestra Half-way between Battlefield and Modern Warfare 2: - Crysis nanosuit removed - Advance and Secure game mode - Classes (assault, medic, recon, sniper etc.) - Squads (spawn on the group leader) Modern Weapons: - More than 20 new modern weapons (ak74, m4, hk416, g36c, etc.) - 8 new vehicles (Abrams, T90, Hummer, etc.) Total Immersion: - Advanced body awareness - Objects can be used to stabilize weapons. Read More...

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Hello and welcome to this update of Casus Belli.

Casus Belli SDK

Casus Belli has now its SDK in which you will find:

  • Crysis Wars SDK Tools Setup.
  • The .bat files to run the editor in Developpers Mode.
  • The .cry files for Casus Belli maps.
  • The .cry samples of the Savanah map for each game modes. These samples may be used to follow the video tutorials at
  • A Disclaimer in PDF format which explains what you can or cannot with the files provided in this package.

Withthis SDK you will be able to make maps for Casus Belli. For sure, the best maps will be officially released in future patch or as complementary packs.
On this occasion, we opened a special section in our forum for maps creation.


We have an other good news. Tunngle and Casus Belli now work together. If you don't know Tunngle, it's a peer2peer software which allows you to play LAN game with an internet connection. This software has rooms to chat, tools to plan event and much more. You can find it by clicking below.

So now the official server is running on Tunngle. So you can join it in LAN game if you have the software or via internet like before if you don't have it. This should improve the number of Casus Belli players. A big Thank you to the Tunngle company who helped us.

Patch 1.3.5

Casus belli has also been patched in version 1.3.4, theese are the major modifications of this patch:

  • Fixed a bug that caused clients to crash, especially right after they join a game.


  • Added direct connection links to the Offical Server and the 1G-TEAM
    server. (the server browser is still available just in case)


  • Fixed bug that caused the intelligence to disappear from the map (requires testing, though).
  • The intelligence will now respawn 10 seconds after a goal is scored.
  • The goals icon colors have been switched, and the goal icons are now stars (instead of doors).
  • Fixed UI bug that caused the HUD not to show the "PRESS F TO PICK UP THE INTELLIGENCE".


  • Fixed bug that caused the pressing of the "Hold breath" key to reduce by 50% the weapons' recoil.
  • Fixed laser dot not showing on far distances on firstperson (especially for the P90).
  • Changed
    the weapon sounds of: Benelli M4, M249, G36C, KRISS Vector, M24, SV98,
    AK74, RPK74, Desert Eagle, MP446 Viking and Beretta M9.
  • Added a slight feedback sound when the player presses/releases the "Hold breath" key.
  • RPG7 and AT4 can now be fired when not in Ironsight, but the spread is incredibly high (so this is not very suitable for mid/far-range shooting)
  • When one can deploy a machinegun, the icon will be shown at the crosshair.
  • The weapon icon becomes green when the weapon is stabilized over a ledge (= better accuracy) will appear over the ammo count.
  • Added bullet drop to all the weapons. Common values are:
    - Pistols: 0.75pt/m after 25m (except for Desert Eagle)
    - Rifles: 0.25pt/m after 25m (incl. Desert Eagle)
    - Shotguns: 1.0pt/m after 10m
    - Light Machineguns: 0.25pt/m after 50m
    - Sniper Rifles: 0.5pt/m after 100m


  • Increased weapon sway to give more interest to the "Hold breath" key.
  • Reduced by 50% all the weapons' spread values for Ironsight (compensation for bullet drop).
  • Reduced Ironsight recoil for: Desert Eagle, P90, M249, Pecheneg, VSS Vintorez and JAE100.
  • Improved recoil feeling for: AK74, AKS74U, F2000, Beretta M9, Viking.
Casus Belli – Update #24: Game session for the new year

Casus Belli – Update #24: Game session for the new year

2 years ago News 4 comments

Hello everybody. To celebrate the new year, we organize a game session this sunday (january 13) from 19h00 GMT+1.

Casus Belli - Update #23: Version 1.3 Release

Casus Belli - Update #23: Version 1.3 Release

3 years ago News 4 comments

We are happy to announce Casus Belli version 1.3! Casus Belli version 1.3. will include 5 brand new maps for the "Capture the Intelligence" and "Squad...

Casus Belli - Update #22: Version 1.2 Release

Casus Belli - Update #22: Version 1.2 Release

3 years ago News 21 comments

We are proud to present you the 1.2 version of Casus Belli: It's a full version. To install it, follow these steps: first, delete the "casusbelli" folder...

Casus Belli - Update #21: Version 1.2 announcement

Casus Belli - Update #21: Version 1.2 announcement

3 years ago News 1 comment

Hello, We are proud to announce the version 1.2 of Casus Belli. It will be released this Sunday september 16. You'll find below the changelog of this...

RSS feed Downloads
Casus Belli SDK 1.0

Casus Belli SDK 1.0

2 years ago SDK 0 comments

Withthis SDK you will be able to make maps for Casus Belli. For sure, the best maps will be officially released in future patch or as complementary packs...

Casus Belli v1.3 FULL

Casus Belli v1.3 FULL

3 years ago Full Version 5 comments

Casus Belli Version 1.3 Full. This version is the final one and replaces all other previous versions.

Casus Belli v1.2 FULL

Casus Belli v1.2 FULL

3 years ago Full Version 14 comments

This version is out of date, please download version 1.3 instead.

Casus Belli Patch 1.1

Casus Belli Patch 1.1

3 years ago Patch 0 comments

This version is out of date, please download version 1.3 instead.

Casus Belli 1.0

Casus Belli 1.0

3 years ago Full Version 0 comments

This version is out of date, please download version 1.3 instead.

Post comment Comments  (30 - 40 of 394)
Ivanator95 Dec 9 2012 says:

So what are the names of the 5 new maps, is there any map set in Afghanistan like mentioned in mod description? I only noticed 3 of them in game.
"Desert" my favorite so far! (:

+2 votes     reply to comment
DolphinEye Creator
DolphinEye Dec 10 2012 replied:

I guess Desert is sort of the Afghan map.
The new SDM/CTI maps are:

* Desert
* Outpost
* Quarry
* Snowfield
* Terminal


+3 votes   reply to comment
abbalo Nov 22 2012 says:

why are the servers empty? doesn't anyone play this?
it's such a good mod!!!

+3 votes     reply to comment
lowenz Nov 21 2012 says:

Blue and black squares are shader compilation artifacts due to the presence of XzeroShaders pack.

Remove the pack and the problem is solved.

+2 votes     reply to comment
Guest Nov 19 2012 says:

Little problem with 1.3: blue and black squares where smoke and flames are supposed to be. How to resolve? Thanks!

Weapon muzzle blue square too!

+1 vote     reply to comment
Jez_humphrey Nov 17 2012 says:

hi all i cant get this to work, i have crysis warhead and crysis wars through steam, whenever i try to create a server ( as the joinable ones are blanked out ) it asks me to enter a key i tried my crysis one didnt work, tried the one steam supply with crysis warhead, that didnt work either

what do i do

+2 votes     reply to comment
Dzev Nov 17 2012 replied:

Had the same problem and it is really s**ks
1. (If Steam doesn't show game cd key)
Open registry editor by opening regedit (Windows\regedit.exe)
You should go to your registry at:

Wow6432Node\Electronic Arts\
EA Games\Crysis Warhead(R)\ergc

And open "Default" parameter to get Crysis Warhead cd-key,
which is same for Crysis Wars.

2. Follow this solution from the 3-rd paragraph
("Once you receive the message ...")

+2 votes     reply to comment
Dzev Nov 17 2012 says:

If this mod release was before BF3... nevermind.
The mod is great, BUT...
For expample I have 8 friends in bf3 who rarely play it for now.
There a chance to invite them in Casus Belli )
Also this mod really should go CryEngine 3 to be standalone, because Crysis Wars necessity is main reason to don't play.
(I know about trial version)

+3 votes     reply to comment
Dzev Nov 17 2012 replied:

Crysis Wars necessity is main reason why we can't get more players* (too late edit)

+1 vote     reply to comment
pigeggs1 Oct 31 2012 says:

Great, server time is right in the middle of my weekly DnD game.


+2 votes     reply to comment
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Crysis Wars
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Released 2012
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Highest Rated (5 agree) 10/10

THIS MOD IS AWESOME! And I should know, I meen I am an Intelligent and witty Brit

Apr 24 2012 by bananaman954


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Casus Belli
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