What
A Game Design Document is the shared spine of the team: what the game is, who it is for, what the core loop is, and how it ships.
Game Development
GDD Generator
A Game Design Document is the shared spine of the team: what the game is, who it is for, what the core loop is, and how it ships.
Fill the four sections, load the sample if you need a template, keep docs in the browser, and copy Markdown when ready to share.
Concept
High concept, genre, platforms, audience, and differentiators.
Unique selling points
What makes this game different?
Narrative & world
Story, characters, and the feel of the world.
Characters
Name + short role
Gameplay
Core loop, mechanics, controls, progression, and levels.
Mechanics
Playable rules
Production
Art, audio, monetization, tech, milestones, and risks.
Milestones
Measurable delivery points
Risks
What could break the core
Guide
Keep the GDD living, not locked
Why
Without a short GDD, teams scatter into details before the core loop is clear.
How
Fill the four sections, load the sample if you need a template, keep docs in the browser, and copy Markdown when ready to share.
Go deeper
Why you’ll love this
Need a short, shareable GDD? This tool gathers the classic design-doc sections so your team can align on the core — no extra software and no signup.
How to jump in
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Create or load a sample
Start a blank doc or load the Echo Drift sample as a template.
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Fill the four sections
Cover concept, narrative, gameplay, and production; use lists for USPs, mechanics, and milestones.
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Share Markdown
Copy Markdown when ready, or keep the doc in your browser for later.
What you walk away with
- Classic GDD structure in four sections
- Multiple local browser docs
- Markdown export for teams
- Ready-made sample to start fast
Where it shines
Idea to pre-production
Capture the core loop and audience before building a prototype.
Small-team alignment
Art, audio, and engineering work from one shared spine.
Classes & workshops
Students practice writing a GDD without a blank Word template.
Quick answers
Where is data stored?
In your browser (localStorage); nothing is required to upload to a server.
Does a GDD need to be long?
No — a living short doc beats a locked 100-page tome. Add detail after the core loop is proven.