Is it possible to make RPG with multiple chapters? What I mean is, transferring the saved file to the second part of the game and continuing with it.

I guess you can build the second chapter over the database of the first, and then the save file would work for the second if you don't have modified the previous content.

hmm..what if new maps and events were added in the second part of the game?

Considering you can modify just maps and then load up an older save file without it crashing, it should work. However, you can NOT modify certain scripts, and many other changes can cripple the game for an old save. If you're going to do your game this way, I recommend getting all of the gameplay aspects set first before working on the story, and then don't change anything about the gameplay without changing every chapter.

ok. thank you all