'Do cleanup.'

def at_object_receive(self, character, source_location):

    if character.has_player:
        del character.db.health_max
        del character.db.health
        del character.db.last_climbed
        del character.db.puzzle_clue
        del character.db.combat_parry_mode
        del character.db.tutorial_bridge_position
        for obj in character.contents:
            if obj.typeclass_path.startswith('evennia.contrib.tutorial_world'):
                obj.delete()
        character.tags.clear(category='tutorial_world')
