# gagarin: reconstructing the Red Alert 2: Yuri’s Revenge engine

> gagarin reconstructs the Command & Conquer: Red Alert 2 — Yuri's Revenge engine from retail gamemd.exe v1.001 with the MSVC 6.0 compiler. At source snapshot ce91a761 (2026-10-27), 10,307 of 19,778 functions are matched (52.1 percent) and 784 more are partial. Matched bodies cover 716,425 of 3,878,653 listed function bytes. The target image's SHA-256 is recorded in reccmp-project.yml.

- Type: Case study
- Targets: Game
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-07
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/r-melvin/gagarin>
- Primary source: <https://github.com/r-melvin/gagarin/blob/932450d9c92d3c1aaca7737ac1bcdb1f158449e7/README.md>
- Catalog page: <https://awesomerea.org/resources/gagarin/>
- Record JSON: <https://awesomerea.org/resources/gagarin/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/gagarin/index.md)

## Requirements & limits

- Wine (WoW64), Python 3, Git, 7-Zip, GNU objdump, Ghidra, and the MSVC 6.0 toolchain from scripts/vc6/fetch_toolchain.sh. Verification reads a local gamemd.exe v1.001.
- The README points at LICENSE and LEGAL.md and does not name the license in the README.

## Primary sources

1. <https://github.com/r-melvin/gagarin/blob/932450d9c92d3c1aaca7737ac1bcdb1f158449e7/README.md>

## More in Games

- [Galaxian³: Project Dragoon — PlayStation matching decompilation](https://awesomerea.org/resources/galaxian3-project-dragoon-decomp-case/index.md) · Case study
- [Galaxy on Fire 2: matching reconstruction of the Android Abyss Engine library](https://awesomerea.org/resources/galaxy-on-fire-2-android-decomp-case/index.md) · Case study
- [Ganbare Goemon 3: a checksum-checked SFC disassembly](https://awesomerea.org/resources/ganbare-goemon-3-disassembly-case/index.md) · Case study
- [Gangstar: West Coast Hustle: Android native-library decompilation](https://awesomerea.org/resources/gangstar-west-coast-hustle-case/index.md) · Case study
- [Garigari: matching decompilation of Super Mario Galaxy 2](https://awesomerea.org/resources/garigari-case/index.md) · Case study
- [Gauntlet Legends: in-progress Nintendo 64 decompilation](https://awesomerea.org/resources/gauntlet-legends-decomp/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.