File FormatsModels*.groupOn this page*.group About Source file storing the list of objects in the group. Features and limitations are similar to *.level Anomaly Modding Book format. Programs Blender X-Ray AddonBlender X-Ray is an addon for the Blender that is designed to import/export 3D models and animations from S.T.A.L.K.E.R. (X-Ray Engine).View Details →IX-Ray SDKSDK or Software Development Kit helped the developers of the original trilogy and the modders to develop the game itself.View Details → Sources Source GitHub