Contains textures and models used by the "Thief: Deadly Shadows" video game, also known as "Thief 3;" installed along with other Thief 3 game files and required for the game to run.
Program(s) that open ibt files
Windows: Eidos Thief: Deadly Shadows; Edit with the T3ed level editor
Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/ibt
