I bought the C64 version of this game but now have discovered that there is a relatively new C128 version! Both C64 and C128 versions of H.E.R.O. Is Back can be downloaded at
https://lowcarb.itch.io/hero-is-back-c64
In the comments on that page, the program's creator gives a few more details about the C128 version.
Truly,
Robert Bernardo
Fresno Commodore User Group - http://www.dickestel.com/fcug.htm
Southern California Commodore & Amiga Network - http://www.portcommodore.com/sccan
April 25-26 Commodore Los Angeles Super Show 2026 - http://www.portcommodore.com/class