The 3d model is ready for the game and it can be used for architecture or any real-time engine as an unreal engine or unity, it has well done UV's without overlapping. the product has fbx, obj, blender, and 3d max, plus V-ray.
OBJ (OBJ, filesize: 148 MB), MAX (Autodesk 3ds Max, filesize: 148 MB), BLEND (Blender, filesize: 148 MB), FBX (Autodesk FBX, filesize: 148 MB), GLTF (glTF, filesize: 26.7 MB)