OpenJazz is a free, open-source version of the classic Jazz Jackrabbit™ games.
OpenJazz is a free, open-source version of the classic Jazz Jackrabbit™ games. OpenJazz can be compiled on a wide range of operating systems, including Windows 98/Me/XP and Linux. To play, you will need the files from one of the original games.
This is a small bugfix release:
- Fixes a bug in tilemask loading, which broke some levels, since some tiles were not passable (e.g. in Medivo)
- Fixes a bug in palette handling when using SDL3 and no scaling, leading to wrong colors
New features:
- Most menu screens have now centered output and are better aligned on small displays (original resolution of Jazz is 320x199)
- The HUD can now be changed to be like in FPS games (e.g. DOOM1, quake...)
- Jazz' and enemy health is now affected by the difficulty level, which means the game got a lot harder on higher difficulty now
| Publisher | AJ Thomson |
|---|---|
| Version | 20260301 |
| Release date | 2026-03-01 |
| License | GPL-2.0 |
| Installer type | zip |
| Architecture | x64 |
| Package ID | AlisterT.openjazz |
winget install --id=AlisterT.openjazz -ewinget upgrade --id=AlisterT.openjazz -ewinget uninstall --id=AlisterT.openjazz -eHappy late new year. 🎆 :)
This release fixes some long-standing graphics bugs and improves the user experience a bit:
- SDL3 is now supported (though SDL2 is still the default)
- Scaling options are now available again
- Network support has been fixed for Windows builds and temporarily disabled for Wii builds
- Movie playback should not show graphical artifacts anymore
Misc changes:
- Some bugfixes in loading code (levels, fonts, etc.)
- psmplug has some playback fixes for ARM platforms
- The counters at level end are now calculated like in the original instead of counting the real number of enemies/items
- The logic when to play a cutscene or bonus level has been changed
New ports:
- Nintendo Switch
- Android (currently only bare-bone, no configuration, needs external gamepad)
- Mac Source Ports (Apple)
Yes. OpenJazz is free and open-source software released under the GPL-2.0 license.
The latest version is 20260301, released on Mar 1, 2026.
The download button links to the official installer published on github.com, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 554761696456a20c1bfc5ebe43bad8537a439d5a00150e4d0bcf9ebcba64a2f5.
OpenJazz runs on Windows and is available for 64-bit (x64) systems.
Open Settings › Apps › Installed apps, find OpenJazz and select Uninstall. From the command line, run winget uninstall --id=AlisterT.openjazz -e.
Yes. OpenJazz is available as a portable ZIP archive (openjazz-windows-mingw-x86_64.zip, 64-bit (x64)) that runs without installation. Copy it to any folder or USB drive and run it from there.
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