Space Ape, the London-based studio behind the game, brought me in to 'add story' when the game was already well developed, and it was a fascinating exercise in iterative story implementation, starting with a 'minimum viable story' and then expanding on it with every incremental update. The very first thing, which is very best solution of your problem, is the Word - Press Development Los Angeles. Meanwhile, you can watch a video of their demonstration at CCC, in the sidebar.