boolean can_pass_to_walkable; /* player can pass to empty or walkable tile */
boolean grow_into_diggable; /* amoeba can grow into anything diggable */
boolean auto_exit_sokoban; /* automatically finish solved Sokoban levels */
boolean can_pass_to_walkable; /* player can pass to empty or walkable tile */
boolean grow_into_diggable; /* amoeba can grow into anything diggable */
boolean auto_exit_sokoban; /* automatically finish solved Sokoban levels */