+ int bd_num_skeletons_needed_for_pot; // BD skeletons amount must be collected to use a pot
+ int bd_skeleton_worth_num_diamonds; // BD skeleton collected is worth this number of diamonds
+ int bd_expanding_wall_looks_like; // BD expanding wall looks like this other game element
+ int bd_sand_looks_like; // BD sand looks like this other game element
+ boolean bd_creatures_start_backwards; // BD creatures start moving in opposite direction
+ boolean bd_creatures_turn_on_hatching;// BD creatures change direction after hatching
+ int bd_creatures_auto_turn_delay; // BD creatures change direction after delay (in seconds)