Do or Dynasty custom content

Do or Dynasty ships with a fictional league. You can play in any league you can describe: real teams, a historical season, an all-time fantasy draft, a league you invented. The world comes from a single roster file, and draft classes, faces, team marks and home fields are optional files on top of it. Share the file and you share the exact world: identical bytes produce the identical league on every machine.

Start with the Make Your Own guide. It has the two prompts to hand an assistant, the merge step, and the three rules that let any league fit the game's 32 slots.

Reference

Page	For
Make Your Own	The short road: prompts, merge, load, iterate
Roster format	Every field and tier of a roster file
Draft-class format	Prospects, rating bands, storylines
Skins format	Faces, logos and fields: manifest, matching, sources and rights
Validation glossary	What every error and warning in the load report means
Examples	Small runnable files: minimal roster, editor-grade roster, a legendary coach, hall-of-fame legends, a draft class

The idea: facts, not internals

You state football facts a fan knows: a name, a team, a position, an overall rating. The game derives everything else (attribute vectors, contracts, cap math, career arcs) through the same systems it uses for its own players. You never touch internal schema. A player fact says who the player is; the game figures out what he is.

The shortest possible roster file:

{
  "formatVersion": 1,
  "players": [
    { "name": "Marcus Vale", "team": "cin", "position": "QB", "ovr": 88 }
  ]
}

Every team you don't mention keeps its shipped defaults. Every roster hole the game fills for you, and the load report tells you how many.

Loading a file

New Game → Roster → Load .json file. You'll see a validation report: errors block (fix and reload), warnings proceed (they explain what the game filled in or adjusted), info summarizes the league you're about to enter. If it's clean, start in that world and pick your franchise.

Versions

This is the guide for roster, draft-class and skins format version 1. The game's New Game → Make Your Own panel links to the guide that matches the installed build.

Do or Dynasty is not affiliated with, endorsed by, or licensed by any league, team or player. Files you make are yours; the skins guide's Sources and rights section says what a file you share may carry.