Resources

Take the World With You

Every major Mar de Oro download in one place. Every file is free. Print it, share it, or bring it to your next session. Player-safe and GM-only resources are clearly marked.

Public playtest released 30 July 2026. Read the release update.

Edition note: some older PDFs, such as the San Telmo Quickstart and the One-Page Primer, refer to the former “Player’s Handbook,” now titled the Setting Guide. They remain usable. Download the current Setting Guide.

For concise definitions of setting terms, see the Canonical Reference. For reviewers and community creators, see the Review and Citation Kit.

Player-safe

Setting Guide

Tales of Mar de Oro: Setting Guide. The free, system neutral setting reference: nations, faith, airships, combat, character creation, campaign concepts, and guidance for beginning play.

Audience
Players & GMs
Format
PDF

System-neutral. Use it with your preferred TTRPG system, supported adaptation guidance, or the optional 2d6 Resolution Bridge.

Contains spoilers

The San Telmo Incident, GM Quickstart Adventure

A three-to-five-hour ready-to-play adventure with six pregenerated characters, clocks, faction agendas, maps, handouts, and everything needed to begin exploring the conflicts of the Golden Sea.

Audience
GMs only: players read the handouts, not the adventure
Format
PDF

Play using your preferred TTRPG system, or use the included optional 2d6 Resolution Bridge. No separate rulebook is required when using the Bridge.

No spoilers

Character Creation Kit

A printable, fillable dossier that walks players through origin, calling, bonds, and burdens at the table.

Audience
Players
Format
Printable PDF

System-neutral. Pairs with the Character Builder.

No spoilers

One-Page Primer

A quick-read handout for new players: the premise, the powers, the mood, and what makes Aeon different.

Audience
New players
Format
PDF

First-Party Rules

Tales of Mar de Oro: Native Rules

The complete first-party game for this setting, free to read online or download as the full rulebook. Optional: the setting stays system-neutral, and the 2d6 Resolution Bridge remains the ultralight standalone option.

Use Any System

System-Neutral Adaptation

The six-step ladder for running this free TTRPG setting under D&D 5e, Pathfinder First Edition, Pathfinder 2e Remastered, Forged in the Dark, or the optional 2d6 Resolution Bridge. Also called system-neutral. Includes a printable Adaptation Worksheet.

Open the chapter

For Game Masters

GM Guide, tools booklet, and the full Shadows of the Compañeros campaign live in the GM Hub. Free, and contains spoilers.

Open GM Resources