Complex sentence: The gameplay of Custom Robo is divided into two main parts the over world and Robo battles during the over world parts of the game it plays like any other RPG meaning that you play as a character in a free roaming world where other characters follow.
Split into simpler sentences: The gameplay of Custom Robo is divided into two main parts; the over world, and Robo battles. This means that you play as a character in a free roaming world where other characters follow.