Pc - Deltarune -

A: Yes — save file is in %LOCALAPPDATA%\DELTARUNE (Windows) and carries to future chapters.

A: No, but some secret bosses are very difficult. PC - Deltarune

A: Chapter 1 ~ 2–3 hours, Chapter 2 ~ 4–5 hours. A: Yes — save file is in %LOCALAPPDATA%\DELTARUNE