# OpenYR: reconstructing the Yuri's Revenge engine

> OpenYR reimplements the engine behavior of Command & Conquer: Yuri's Revenge in C++ from observed gameplay, disassembly research and documentation. Its modules cover game state, combat, AI and audio, with parsers planned or implemented for Mix, INI, SHP and VXL resources.

- 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/Sovietianqi/OpenYR>
- Primary source: <https://github.com/Sovietianqi/OpenYR/blob/5ada14bf658c0bbcaecbbd8ad2542571d7728d4f/README.md>
- Catalog page: <https://awesomerea.org/resources/openyr-engine-case/>
- Record JSON: <https://awesomerea.org/resources/openyr-engine-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/openyr-engine-case/index.md)

## Requirements & limits

- **Prerequisites:** A legally obtained copy of the original game's assets is required for testing and runtime.
- **Prerequisites:** A C++17 compiler and CMake 3.16 or newer are required.
- **Limits:** The engine is in early development and some behavior may differ from the original.
- **License:** GPL-3.0 license.

## Primary sources

1. <https://github.com/Sovietianqi/OpenYR/blob/5ada14bf658c0bbcaecbbd8ad2542571d7728d4f/README.md>
2. <https://github.com/Sovietianqi/OpenYR/blob/5ada14bf658c0bbcaecbbd8ad2542571d7728d4f/LICENCE>

## More in Games

- [OpenZ: reconstructing Z as a 3D strategy game](https://awesomerea.org/resources/openz-z-remake-case/index.md) · Case study
- [OpenZT2: a Rust engine reimplementation of Zoo Tycoon 2](https://awesomerea.org/resources/openzt2-engine-case/index.md) · Case study
- [Oracles: reconstructing the Zelda Oracle games in Godot](https://awesomerea.org/resources/zelda-oracles-godot-reconstruction-case/index.md) · Case study
- [Ordoor: reimplementing the Strategy Engine for four games](https://awesomerea.org/resources/ordoor-strategy-engine-case/index.md) · Case study
- [Ozymandias (Julius): adapting a city-building engine to Pharaoh](https://awesomerea.org/resources/ozymandias-julius-case/index.md) · Case study
- [Ozymandias: a Godot engine reconstruction for Pharaoh and Zeus](https://awesomerea.org/resources/ozymandias-pharaoh-engine-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.
