# OpenKeeper: a Dungeon Keeper II game and engine remake

> OpenKeeper reimplements the Dungeon Keeper II game and engine as a cross-platform Java application using JMonkeyEngine. It targets version 1.7 and three bonus packs, loading assets from the user's original game copy.

- 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/tonihele/OpenKeeper>
- Primary source: <https://github.com/tonihele/OpenKeeper/blob/6304aafa68b82d2f17ab31c1948230d37f476b1d/README.md>
- Catalog page: <https://awesomerea.org/resources/openkeeper-dungeon-keeper-ii-case/>
- Record JSON: <https://awesomerea.org/resources/openkeeper-dungeon-keeper-ii-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/openkeeper-dungeon-keeper-ii-case/index.md)

## Requirements & limits

- **Prerequisites:** An original Dungeon Keeper II copy is required for its assets.
- **Prerequisites:** The project uses JME 3.9 and Java 25.
- **Limits:** Full implementation of version 1.7 and three bonus packs is a stated goal.
- **License:** GPL-3.0-or-later.

## Primary sources

1. <https://github.com/tonihele/OpenKeeper/blob/6304aafa68b82d2f17ab31c1948230d37f476b1d/README.md>
2. <https://github.com/tonihele/OpenKeeper/blob/6304aafa68b82d2f17ab31c1948230d37f476b1d/LICENSE>

## More in Games

- [OpenKingdoms: reconstructing the Total Annihilation: Kingdoms engine](https://awesomerea.org/resources/openkingdoms-case/index.md) · Case study
- [OpenLara: Tomb Raider engine reimplementation](https://awesomerea.org/resources/openlara/index.md) · Case study
- [OpenLF2: a Little Fighter 2 engine reimplementation](https://awesomerea.org/resources/openlf2-case/index.md) · Case study
- [OpenLRR: incrementally rebuilding LEGO Rock Raiders](https://awesomerea.org/resources/openlrr-rock-raiders-case/index.md) · Case study
- [OpenMadoola: reimplementing The Wing of Madoola](https://awesomerea.org/resources/openmadoola/index.md) · Case study
- [OpenMCM2: a Motocross Madness 2 engine reimplementation](https://awesomerea.org/resources/openmcm2-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.
