Fallout 5 could add some significant upgrades to make one of the series' most iconic tools well worth the investment. While the Fallout games have made a habit of exploring different areas of the wasteland, there are a few things that have become emblematic of the series. From the super mutants and ghouls to the enduring mascot Vault Boy, there are many things that Fallout would not be the same without. At the same time, upgrading what works helps make each game that much more exciting. In particular, Fallout 5 could bring some of the greatest advancements yet.