From the document
Hideouts & Hoodlums is a modification of the Swords & Wizardry: White Box Edition rules with swords and sorcery elements expunged and replaced with elements of the Golden Age of the superhero genre, circa 1939. Swords and Wizardy, S&W, and Mythmere Games are the trademarks of Matthew J. Finch and this author is not affiliated with Matthew J. Finch, Mark Breig, or Mythmere Games. This supplement includes material adapted from the core Swords & Wizardry rules in lieu of the White Box Edition. All S&W material remains italics and indented. This supplement also includes d20 Open Content magic items not found in S&W. This material is in a distinct font.
All American is an expansion supplement for the Hideouts and Hoodlums game adding some new classes, (Speedster and Villain), as well as some new rules and more monsters and trophies.