That is something the former games never had. As a Pokemon trainer, you can travel in both. The story is set around an impending collision between the Pokemon world and the real world.There are multiple gyms and Pokemons to catch along the way. Travel to Tunod, Johto, and Rankor to explore the world within Pokemon Glazed.
But there is much more to the game than that. It is fun and entertaining with a familiar interface. The game keeps you invested at every step of the way.