RePlay Worlds Specification

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RePlay Worlds

From imagination to movie, in a click.

RePlay Worlds is an open-source, AI-assisted imagination platform where children become authors, artists, composers, directors, and world builders. Rather than consuming pre-written stories, children create original characters, magical worlds, adventures, music, animations, and complete cinematic experiences from their own imagination.

Every adventure grows with the child through persistent save points, branching storylines, procedural world generation, dynamic music, and full movie replay. RePlay Worlds is designed to encourage creativity, curiosity, empathy, critical thinking, and storytelling while maintaining a privacy-first architecture that never treats children as products.

Vision

RePlay Worlds exists to become the world’s most advanced creative storytelling platform for children.

Instead of teaching children how to consume entertainment, RePlay Worlds teaches them how to create it.

Every child should be able to imagine a world, build it, explore it, direct it, and replay it as a living movie.

Core Features

AI Story Creator

Children can create stories using:

Text
Speech-to-text
Drawing interpretation
Story prompt cards
Interactive storytelling

The AI assists by:

Asking open-ended questions
Expanding ideas
Encouraging curiosity
Maintaining story continuity
Ensuring age-appropriate adventures
Helping overcome creative blocks

The AI never replaces imagination.

It enhances it.

Character Creator

Create unlimited characters including:

Humans
Animals
Dragons
Robots
Aliens
Fairies
Wizards
Monsters
Dinosaurs
Mythical creatures
Completely original species

Customize:

Face
Hair
Eyes
Skin
Fur
Scales
Wings
Horns
Clothing
Armor
Jewelry
Accessories
Voice style
Personality
Emotions
Movement style

Characters continue growing throughout multiple adventures.

Creature Creator

Invent completely new species.

Customize:

Anatomy
Habitat
Diet
Abilities
Intelligence
Size
Color
Sounds
Behavior
Friendliness

AI helps children imagine unique ecosystems.

Magical Ability System

Choose from hundreds of magical powers including:

Elemental

Fire
Water
Earth
Wind
Ice
Lightning
Nature
Crystal
Metal
Sand
Light
Shadow

Movement

Flight
Teleportation
Portal creation
Levitation
Super speed
Wall climbing
Swimming

Reality

Shape shifting
Time control
Weather control
Gravity manipulation
Dream walking
Size changing
Illusions
Invisibility
Duplication
Reality bending

Mind

Telepathy
Animal communication
Emotion sensing
Memory sharing
Mind projection

Creative Magic

Paint that becomes real
Music magic
Story magic
Living drawings
Animated toys
Magical books
Living plants

Children can combine abilities to invent entirely new forms of magic.

AI Magic Suggestions

The AI suggests magical possibilities such as:

Rainbow dragons
Floating castles
Talking forests
Living clouds
Friendly volcanoes
Candy planets
Musical rivers
Time bubbles
Invisible bridges
Friendly monsters

Suggestions evolve with every adventure.

Procedural World Generation

Generate unlimited worlds.

Examples include:

Forests
Jungles
Mountains
Oceans
Islands
Floating kingdoms
Castles
Space stations
Underwater cities
Candy worlds
Dream worlds
Ancient ruins
Magical villages
Pirate islands
Dinosaur valleys
Alien planets

Every world is unique.

Living Worlds

Worlds evolve naturally.

NPCs remember adventures.

Cities grow.

Forests change.

Magic alters landscapes.

Weather evolves.

History is preserved.

Story Memory

Stories remember:

Characters
Friendships
Enemies
Discoveries
Magical items
Previous adventures
Choices
World history

The story remembers.

Not the child.

Save Points

Automatic save points occur whenever:

A character changes
A scene changes
Magic changes
Dialogue changes
Music changes
Story branches
New locations appear

Children can return to any point in time.

Branching Adventures

Children can ask:

“What if…”

Every “what if” creates a new timeline.

Examples:

Different endings
Alternate heroes
Different magical powers
New friendships
Different choices

Nothing is ever lost.

Full Movie Replay

Replay every adventure as a complete animated movie.

Includes:

Camera movement
Music
Character animation
Dialogue
Sound effects
Magic effects
Scene transitions

Movies can be replayed forever.

Director Mode

Children become movie directors.

Control:

Camera angles
Camera movement
Scene pacing
Lighting
Character expressions
Character emotions
Weather
Time of day
Music style
Sound effects
Magic intensity
Special effects
Scene transitions
Narration
Cinematic filters

Music Studio

Generate music from emotions.

Choose:

Happy
Calm
Sad
Exciting
Mysterious
Heroic
Funny
Magical
Epic

Customize:

Instruments
Tempo
Rhythm
Melody
Choir
Fantasy sounds
Nature sounds

Sound Studio

Generate:

Creature sounds
Magic sounds
Environmental sounds
Footsteps
Weather
Water
Wind
Crowd ambience
Fantasy effects

Animation Engine

Automatically animates:

Characters
Creatures
Objects
Magic
Weather
Plants
Water
Clothing
Hair
Facial expressions

Art Studio

Children can:

Draw
Paint
Scribble
Sketch

AI transforms artwork into:

Characters
Creatures
Objects
Landscapes
Buildings
Magical items

Nothing is “fixed.”

Creativity comes first.

Curiosity Engine

When children run out of ideas the AI asks questions like:

What happens next?
What if gravity disappeared?
What lives inside that mountain?
Should the dragon become your friend?
What magical surprise appears?

The AI inspires rather than instructs.

Role Play Mode

Become:

The hero
The villain
A dragon
The narrator
A tree
The wind
A magical spell
The castle
A river
A cloud

Explore stories from different perspectives.

World Rules

Children define how their worlds work.

Examples:

Dragons love music.
Gravity changes every Tuesday.
Trees can walk.
Rivers flow upward.
Clouds tell jokes.
Magic grows flowers.

AI follows these rules consistently.

Educational Features

Encourages:

Reading
Writing
Storytelling
Creative thinking
Problem solving
Emotional intelligence
Collaboration
Artistic expression
Music appreciation
Logical reasoning

No traditional lessons.

Learning happens naturally.

Parent Features

Optional controls include:

Content preferences
Local-only mode
Offline mode
Export controls
Screen-time reminders
Age settings
Accessibility options

Accessibility

Support for:

Dyslexia-friendly fonts
Screen readers
Closed captions
Colorblind modes
High contrast
Keyboard navigation
Controller support
Touch support
Voice input
Adjustable reading levels

Privacy

RePlay Worlds is designed with children in mind.

Never includes:

Voice cloning
Facial recognition
Behavioral profiling
Advertising
Data selling
Hidden analytics

Speech is used only for temporary transcription.

Story data belongs to the family.

Offline Mode

Supports:

Local AI models
Local saves
Offline story creation
Offline replay
Offline movie generation

Internet is optional.

Plugin System

Developers can create:

Character packs
Creature packs
Music packs
Magic packs
Story packs
World generators
Animation systems
Director Mode tools
Educational modules
Accessibility plugins

Open Creator Marketplace (Optional Self-Hosted)

Communities may host repositories for:

Worlds
Characters
Music
Adventures
Art styles
Story templates

No centralized ownership required.

Technical Architecture

Frontend

React
TypeScript
Tailwind CSS

Rendering

Three.js
Babylon.js
WebGL
WebGPU (future)

AI

Local LLM support
Open-source language models
Story graph engine
Semantic memory
Safety moderation

Animation

Procedural animation
Motion blending
Timeline editor

Audio

Magenta.js
Web Audio API
MIDI support
Procedural music engine

Backend

Node.js
SQLite
PostgreSQL

Desktop

Electron

Mobile

Progressive Web App

Offline AI

ONNX Runtime
llama.cpp
WebAssembly

Roadmap

Version 1

Character creator
Story creator
World generation
Save points
Movie replay

Version 2

Director Mode
Music Studio
Art Studio
Branching timelines

Version 3

Local AI models
Plugin SDK
Community worlds
Multiplayer collaborative storytelling

Specification Branding License (SBL)

Standard

Fully AGPL-3.0+ compliant system
Copyleft enforced for network deployments
Required attribution:
- Roxanne Ardary
- https://www.roxanneardary.com/

Optional

Specification Branding License (SBL)
- Attribution-free commercial deployment
- Pricing based on scale, usage, and deployment scope
- https://roxanneardary.com/replayworlds/

License & Notice Requirements

RePlay Worlds is released under the GNU Affero General Public License v3.0 or later (AGPL-3.0+).
By contributing to this project, you agree that your contributions will also be released under this license.

Please note the following:

All contributions must comply with the AGPL-3.0+ terms.
Under Section 7 of the license, all redistributions, forks, and derivative works must preserve attribution to:
Roxanne Ardary and roxanneardary.com.
RePlay Worlds specifications are free to use with attribution. A Specification Branding License can be negotiated upon request.
The project’s notice.md file tracks attribution requirements and contributor acknowledgments.
Any update that adds new contributors or modifies attribution should also update notice.md.
When submitting a pull request, ensure that any new files maintain the attribution headers where applicable.
Network-deployed versions of this software must also remain fully AGPL-3.0+ compliant, including exposure of source code modifications when applicable under the license.

For full legal details, please refer to the AGPL-3.0+ license and the project’s notice.md file.

Notice – RePlay Worlds

Attribution Requirement: Under Section 7 of the AGPL 3.0+ license, all redistributions, forks, and derivative works, including network-deployed versions of this project, must provide attribution to Roxanne Ardary and roxanneardary.com.

Contributors

This file tracks contributors and their specific contributions to the project.

Roxanne Ardary, roxanneardary.com – March 9, 2026
Created the repository for RePlay Worlds. Designed the full concept including character creation, magical abilities, AI-guided story creation, procedural world generation, Director Mode, save points, and full movie replay functionality.
[Add other contributors here] – [Date]
[Describe contribution in one sentence]

License – RePlay Worlds

This repository is licensed under the GNU Affero General Public License v3.0 or later (AGPL-3.0+).

Key Points:

You are free to use, modify, and distribute the code.
All redistributions, forks, and derivative works or network-deployed versions must also be licensed under AGPL-3.0+ and provide attribution to Roxanne Ardary and roxanneardary.com as required under Section 7 of the license.
The software is provided “as is,” without warranty of any kind.

For the full license text, see GNU AGPL-3.0 License.