While others have it be far better than the level of tech we have today, but still steam powered. Nuclear is not an old tech, and it would not fit the steampunk ambience.Some people have their steampunk being simply much the same level of tech we have today, but steam powered.
Originally posted by Bobywan:The steampunk genre rely on old tech being used to make simingly new tech like the generators and the automatons (other steampunk games could be bioshock or dishonored).