Originally Posted by JimCant
I have a question that I am not sure has been answered.
I just beat Andrew Ryan and subsequently the game. I did not finish researching like the flying bots or security cameras as well as getting the final uprgrades on my guns.
Can I go back to levels once I have beaten the game or do I need to just go into an older save file and then find everything that way?
Before taking the elevator you have to do all that