Resources

GDD Resources

A curated, citable reference set for building with OpenGame GDD, plus external GDD standards, templates, and examples to reduce ambiguity and rework.

OpenGame GDD Core

Docs (13 chapters)

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The canonical OpenGame GDD structure. Use chapter slugs as citations in prompts and reviews.

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Manifesto

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The why: design principles, scope boundaries, and how to keep the spec reviewable.

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OpenGame GDD FAQ

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Definitions, boundaries, and the OpenGame GDD vs Real GDD mental model.

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GDD Standards & Best Practices

Indie Game Academy — Free GDD Template & How‑To Guide

A practical guide to what a GDD is, why it matters, common sections, and how to keep it a living document.

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机核网（Gcores）— 如何撰写一份游戏设计文档（译介）

A deep dive into GDD writing (Chinese). Includes a recommended downloadable template link.

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GDD Templates

Trick's GDD Template (.docx)

A structured Word template referenced by the Gcores article. Useful if you prefer doc-based drafting.

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Unity — Game Design Document Template (PDF)

Unity-provided PDF outline covering key aspects of game design and production planning.

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UNC — Game Design Document Template (PDF)

A university template emphasizing detail completeness for implementation.

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Discussion & Examples

Gamescrye — Game Design Documents

A collection of real-world GDD examples across genres and scales (e.g., well-known commercial titles).

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Reddit r/gamedesign — Preferred GDD Template

A developer discussion thread on what people actually use and why.

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Reddit r/gamedev — What is exactly a GDD?

A discussion thread on what a GDD should be in practice and how flexible it can be.

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GitBook — How to write a GDD (with examples)

A modern guide with example structure and practical drafting advice.

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Markdown & Writing Specs

CommonMark Spec

The baseline Markdown spec. Useful when you need unambiguous formatting rules.

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GitHub Flavored Markdown (GFM)

Tables, task lists, and other extensions that are common in repos and PR reviews.

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SEO & Machine-Readable Context

Schema.org

Structured data vocabularies. Helpful for making pages machine-interpretable.

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llms.txt (this site)

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A plain-text entry point for model-friendly site understanding and citation.

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