.IGB File Extension

Intrinsic Graphics Binary File

Developer Intrinsic Graphics
1.5  |  2 Votes

What is an IGB file?

An IGB file is a character model or animation used in an Intrinsic Alchemy Engine video game. It contains a character that appears in a game or an animation to be applied to that character. IGB files were used primarily in games published by Intrinsic Graphics, Vicarious Visions, and Activision.

More Information

In 2003, game developer Vicarious Visions acquired rival developer Intrinsic Graphics. As part of that acquisition, Vicarious Visions gained ownership of Intrinsic's 3D game development platform, Intrinsic Alchemy Engine.

Vicarious Visions (which was itself acquired by Activision in 2005) used the Intrinsic Alchemy Engine to produce many popular 3D games, including the X-Men Legends and Marvel: Ultimate Alliance series and Pirates of the Burning Sea. These games' character models and associated animations were saved as IGB files. Vicarious Visions also licensed the Intrinsic Alchemy platform to other game developers, who used it to produce models and animations for their own games.

Common IGB Filenames

###01.igb - An IGB character model. These filenames consist of a two-to-three-digit number that specifies the included character, and a two-digit number that specifies the character variant (such as a special outfit or skin).

###_charactername.igb - An animation to be applied to an IGB character model. The number at the start of this filename corresponds to the number at the start of the character model's filename.

How to open an IGB file

Because IGB files use a proprietary format unique to the Intrinsic Alchemy Engine, and the Intrinsic Alchemy Engine is no longer available, IGB files cannot be opened.

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Programs that open or reference IGB files

No programs available

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