Reactor Raid started out as an experiment. It was just a concept I was playing with that grew until I had a product at the end. When you make any map you need a concept or idea, but these are a dime a dozen.
Implementation is always the hard part.
The black text is the main narrative. The brown text is Mark's writing. The blue text is my Writing. Here are two early screenshots of Reactor Raid. Assault craft view of bunkers.