For Sneak Behind, we are using Quark to make the levels and BSP Factory to lightmap & export to B3D.
For Century, we are using 3DS Max to maek the levels & lightmaps, and the the B3D Pipeline to export to B3D.
For Century, we are using 3DS Max to maek the levels & lightmaps, and the the B3D Pipeline to export to B3D.