Based on "First Blood" mechanics (implied by the title).
The zip file likely contains the following components, as detailed on the itch.io project page : GOD-KILLER-master.zip
The primary 33 MB document containing the core rules and setting material. Based on "First Blood" mechanics (implied by the title)
Based on the search results, is a tabletop role-playing game (TTRPG) created by Connie Chang, available on itch.io. If you can confirm this is the correct
If you can confirm this is the correct game, I can help you find: The specific rules on How the "Moves" system works Setting details (the gods you are meant to kill) GODKILLER: First Blood Edition by Connie Chang - itch.io
To use the GOD-KILLER-master.zip file, you should unzip the contents, read the main rules document first, and print or digitally fill out the character sheet to begin playing.
A 734 kB PDF outlining character actions (moves).