Final Fantasy 7 Rebirth is a massive game, from the size of its open-world areas to the depths of its various mechanics. There is a lot to keep track of in the game and remember, which means there are also plenty of opportunities to forget. In light of that, there are several unwritten rules for Final Fantasy 7 Rebirth players should know before they hop on the back of their Chocobo and make for the end of the map.