# OpenRakis: reverse engineering Cryo’s Dune

> OpenRakis is a work-in-progress reverse-engineering project for Cryo's Dune. The README describes the PC DOS floppy and CD layouts, an asm directory for the original x86 DOS assembly, and an 8086 16-bit real-mode IDA setup for DNCDPRG.EXE with entry CS 1ED.

- 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/OpenRakis/OpenRakis>
- Primary source: <https://github.com/OpenRakis/OpenRakis/blob/2567749779a975b6d25286a4f212f392a59dda5b/README.md>
- Catalog page: <https://awesomerea.org/resources/openrakis/>
- Record JSON: <https://awesomerea.org/resources/openrakis/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/openrakis/index.md)

## Requirements & limits

- The README does not name a license or a build command. It points to IDA Freeware, Ghidra, UNLZEXE, DOSBox Debugger, Spice86, and Cryogenic.

## Primary sources

1. <https://github.com/OpenRakis/OpenRakis/blob/2567749779a975b6d25286a4f212f392a59dda5b/README.md>

## More in Games

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- [Outlaw: a reverse-engineered Atari 2600 source listing](https://awesomerea.org/resources/outlaw-atari-2600-disassembly-case/index.md) · Case study
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- [Paleblood: a functional decompilation of Bloodborne with its own runtime](https://awesomerea.org/resources/paleblood-bloodborne-functional-decomp-case/index.md) · Case study
- [Paper Mario: The Thousand-Year Door — decompiling the Japanese GameCube release](https://awesomerea.org/resources/ttyd-g8mj01-decomp-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.