What are your theories about what's happening in this world, very interested to hear them.
You have to find all the endings for the full story of this game. The achievements can be a guide
About the Future
This part of the story is the 8bit/NES era. It's a prelude of what's to come. (The original title of this game was Prelude but it wouldn't work.)
Also what's the highest score you got on Steel Wolf and DaVinci's Flying Machine?