Let's call it, Fallout 5: The Chosen One Must Choose, but with a TWIST! 
  
Let's give a second subtitle! 
  
Fallout 5: The Chosen One Must Choose: The Brotherhood of FREAKING HERVE CAEN YOU FREAKING MORON: A Post Nuclear 3D FPS Live Action Role Playing Game. 
  
And let's give it space sim elements. 
  
And you can pilot a big robot! 
  
And you can dual rockets launchers! 
  
BETTER YET! You can dual-wield robots which are dual-wielding rocket launchers!!!! 
  
And combat will be in FPS mode, but with a twist! It'll have fighter game elements too! Like Dungeon Lords, the ultimate combat RPG of 2004. 
  
This will be grreat!!