Case study

OpenJazz: a Jazz Jackrabbit 1 engine reimplementation

OpenJazz reimplements the Jazz Jackrabbit 1 engine in portable C++ and runs with data from the original game. It builds with CMake and SDL for desktop platforms, with further ports for consoles, handhelds and browsers.

Targets: Game
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 422
Last commit: 2026-09-01
Language: C
License (GitHub): GPL-2.0

GitHub data as of 2026-11-10

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Evidence

Observed: Code, documentation and a download method observed; no demo found.
Checked: 2026-11-09

How evidence classes are assigned

Requirements & limits

Prerequisites: Files from an original Jazz Jackrabbit game are required to play.
Prerequisites: Building requires CMake and SDL 2 or 3; SDL 1.2 is also supported but deprecated.
Limits: The author states that development has slowed and there is no clear feature roadmap.
License: GNU General Public License v2 or later.

Cite

BibTeX

@misc{openjazz-case,
  title = {{OpenJazz: a Jazz Jackrabbit 1 engine reimplementation}},
  howpublished = {\url{https://github.com/AlisterT/openjazz}},
  url = {https://github.com/AlisterT/openjazz},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/openjazz-case/}}
}

Plain text

OpenJazz: a Jazz Jackrabbit 1 engine reimplementation. https://github.com/AlisterT/openjazz (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/openjazz-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

res/unix/OpenJazz.6.adoc GitHub · AlisterT/openjazz · Revision a1626f4
README.md GitHub · AlisterT/openjazz · Revision a1626f4
doc/BUILDING.md GitHub · AlisterT/openjazz · Revision a1626f4