A place where we gather knowledge around the SAGE engine, created by EA games. Feel free to contribute.

• .apt - user interface format, used in the bfme series and following SAGE games
• .big - archive format, used as the container for most files in SAGE games
• .sav - save-game format
• .w3d - 3D model file, used to store meshes, animations, and other model-related data
• .wak - wave definition file, used in C&C Generals to store the location and type of ocean and pond waves