void (*free_params)(game_params *params);
game_params *(*dup_params)(game_params *params);
int can_configure;
config_item *(*configure)(game_params *params);
game_params *(*custom_params)(config_item *cfg);
char *(*validate_params)(game_params *params);
void (*free_params)(game_params *params);
game_params *(*dup_params)(game_params *params);
int can_configure;
config_item *(*configure)(game_params *params);
game_params *(*custom_params)(config_item *cfg);
char *(*validate_params)(game_params *params);