Complex sentence: According to Naka, the team did not ask for advice from professional firefighters during development, partly due to the concern that their game would not be well received, as Naka thought they would have said that real firefighting "wasn't that simple".
Split into simpler sentences: According to Naka, the team did not ask for advice from professional firefighters during development. This was partly due to the concern that the game would not be well received, as Naka thought they would have said that real firefighting "wasn't that simple".