/usr/share/crystalspace-2.0/conversion/max/ is in crystalspace-data 2.0+dfsg-1build1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/crystalspace-2.0/conversion/max/Poly_Counter.mcr
/usr/share/crystalspace-2.0/conversion/max/README
/usr/share/crystalspace-2.0/conversion/max/exportCS.mcr
/usr/share/crystalspace-2.0/conversion/max/exportSprite.mcr
/usr/share/crystalspace-2.0/conversion/max/exporterguide/
/usr/share/crystalspace-2.0/conversion/max/exporterguide/basics.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/emitter.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/evenmore.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/exportscene.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/exportsprite.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/index.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/installation.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/intro.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/left_frame.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/light.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/lod.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/modelsprite.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/object.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/occluders.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/pictures/
/usr/share/crystalspace-2.0/conversion/max/exporterguide/pictures/3dsMaxExporters_img1.gif
/usr/share/crystalspace-2.0/conversion/max/exporterguide/pictures/3dsMaxExporters_img2.gif
/usr/share/crystalspace-2.0/conversion/max/exporterguide/pictures/attrib.jpg
/usr/share/crystalspace-2.0/conversion/max/exporterguide/pictures/particle.jpg
/usr/share/crystalspace-2.0/conversion/max/exporterguide/pictures/room_properties.jpg
/usr/share/crystalspace-2.0/conversion/max/exporterguide/portals.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/samples.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/sectors.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/sectorsinfo.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/terrain.htm
/usr/share/crystalspace-2.0/conversion/max/exporterguide/thinggenmesh.htm
/usr/share/crystalspace-2.0/conversion/max/exportlights.mcr
/usr/share/crystalspace-2.0/conversion/max/fixmaterials.mcr
/usr/share/crystalspace-2.0/conversion/max/gmeshskelanim/
/usr/share/crystalspace-2.0/conversion/max/gmeshskelanim/IPhysique.gup
/usr/share/crystalspace-2.0/conversion/max/gmeshskelanim/README
/usr/share/crystalspace-2.0/conversion/max/gmeshskelanim/export_genmesh_skelanim.mcr
/usr/share/crystalspace-2.0/conversion/max/ps_terrain.shaders.txt
/usr/share/crystalspace-2.0/conversion/max/psmaxmenus5.mnu
/usr/share/crystalspace-2.0/conversion/max/sanitycheck.ms
/usr/share/crystalspace-2.0/conversion/max/showMap.mcr