# OpenGD: a Geometry Dash gameplay reimplementation

> OpenGD reimplements Geometry Dash gameplay in C++ on Axmol, aiming to match the original game. It requires resources from Geometry Dash 2.1 or 2.2; the documented gameplay rewrite currently leaves levels unplayable.

- Type: Case study
- Targets: Game
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-06
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/Open-GD/OpenGD>
- Primary source: <https://github.com/Open-GD/OpenGD/blob/2a0e30793d86247ad5839a26a8f0ee586f9e84dd/README.md>
- Catalog page: <https://awesomerea.org/resources/opengd-case/>
- Record JSON: <https://awesomerea.org/resources/opengd-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/opengd-case/index.md)

## Requirements & limits

- **Prerequisites:** Requires Geometry Dash 2.1 or 2.2 resources to run.
- **Prerequisites:** Building requires PowerShell, CMake, a C++20 compiler and Axmol.
- **Limits:** The project is unmaintained, and levels are currently unplayable.
- **License:** Licensed under GPL-3.0.

## Primary sources

1. <https://github.com/Open-GD/OpenGD/blob/2a0e30793d86247ad5839a26a8f0ee586f9e84dd/README.md>

## More in Games

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- [OpenGromada: reconstructing the Sigma Games engine](https://awesomerea.org/resources/opengromada-case/index.md) · Case study
- [OpenGT4: reimplementing Gran Turismo 4 for Windows](https://awesomerea.org/resources/opengt4/index.md) · Case study
- [OpenGTA2: rebuilding GTA2 from its game files](https://awesomerea.org/resources/opengta2-case/index.md) · Case study

## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.
