boolean initial_gravity;
boolean em_slippery_gems; /* EM style "gems slip from wall" behaviour */
boolean use_spring_bug; /* for compatibility with old levels */
+ boolean use_time_orb_bug; /* for compatibility with old levels */
boolean instant_relocation; /* no visual delay when relocating player */
boolean can_pass_to_walkable; /* player can pass to empty or walkable tile */
boolean grow_into_diggable; /* amoeba can grow into anything diggable */