After years of conflict, the Allies are finally on the brink of victory. Cowering behind the walls of the Kremlin, the Soviets decide to turn to one last act of desperation - the use of an experimental time travel device. The mission: to go back in time to eliminate Albert Einstein before he creates the technologies that will lead the Allies to ultimate victory. After a successful mission, the Soviets return to the present and find the Allied position weakened. But before they can truly celebrate, they find out their actions have spawned a new threat and global superpower: the mysterious, technologically-advanced Empire of the Rising Sun. Welcome to World War III.

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Apr 8th, 2009
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Modders who will be creating multiplayer maps and scripted single player missions with their specific mod art assets will need to download our unique MOD SDK version of Worldbuilder below. Please note, this version of Worldbuilder is only necessary for modders who would like to use their own art assets to create maps and missions with. If you are not creating new art for your mod or building a custom map with non-RA3 art assets, then you do not need to download this version of Worldbuilder. The Mod SDK version of Worldbuilder is significantly larger to accommodate compatibility with the Mod SDK as well as the game data.


The Red Alert 3 MOD SDK provides not only the same, but also greater power than our previous C&C 3 MOD SDK. It also introduces a fresh breath of unique features to greatly simplify the process of compiling a mod with our new Red Alert 3 Mod BuildStudio. Download the SDK to start modding and be sure to download the other tools below as well. The MOD SDK includes a wealth of documentation and instructions to get you started!

UI Source Pack

The User-Interface source pack includes everything from the "APT" folder of Red Alert 3 (minus the SWF files) which previously could not be accessed. This UI screen pack will allow modders to use the Red Alert 3 User-Interface source files as direct reference for dimensions, file size, and art style if you will be modifying the UI in your Red Alert 3 Mod.

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RA3 Mod Worldbuilder
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DamianDraco666 Sep 29 2011 says:

could sombody help me with the worldbuilder. Everytime I make a new map, the minimap that goes with it isn't as detailed. In fact whenever I start a skirmish on said map, the minimap in the top-right corner, the terrain is all black and the only thing with any color is the water.

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serroborres Sep 16 2013 says:

Dude You need to UpDate your Game At leat 1.05version. to get the serious.. serious

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C&C: Red Alert 3
Windows, X360
Developer & Publisher
Electronic Arts
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Release date
Released 2008
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Related Games
C&C: Red Alert 3
C&C: Red Alert 3 Real Time Strategy
Related Engines
SAGE (Strategy Action Game Engine)
SAGE (Strategy Action Game Engine) Proprietary Released 2001
Related Groups
Electronic Arts
Electronic Arts Developer & Publisher with 8 members