XU4 is a remake of the computer game Ultima IV. The goal is to make it easy and convenient to play this classic on modern operating systems. XU4 is primarily inspired by the much more ambitious project Exult. XU4 is a cross-platform application available for Linux and Windows.
The game is fully playable from beginning to end. The latest source code can always be accessed from both SourceForge and GitHub.
A secondary goal of this project is to clearly document the formats of the data files from the original Ultima IV. This work in progress is available here: FileFormats.md
Please see the README file for information on running xu4. To see a list of recent improvements have a look at the Change Log.
The original Ultima IV is freeware. Download it here!
| 27/Oct/2023 | Appar Unem! The new 1.4 release supports unique spell incantations and sounds. An improved module browser and new xBRZ scaling filter add some polish. |
| 24/Jun/2023 | Version 1.3 is released with a new U4-Recreated module which provides NPC voice streams. |
| 07/Dec/2022 | Version 1.2 is out with a few important fixes. Linux gets a leaner backend and game modules can now include world & city maps defined using TMX files. |
| 13/Jul/2022 | Version 1.1, primarily focused on sound changes, is now available. |
| 08/Mar/2022 | The 18 year beta period ends - version 1.0 is released! |
| 06/Jan/2022 | Beta 5 has been released. |
| 21/Apr/2021 | Development of xu4 continues. The code repository has migrated to Git and can be accessed from GitHub. |
| 11/Apr/2020 | xu4 became a subengine of ScummVM, development will hopefully continue in their code. |
| 01/Sep/2011 | Since June 2011 EA hosts the official Ultima 4 download on UltimaForever and as of today Good Old Games offers it for free as well. |
| 23/Dec/2010 | A new bulletin board / forum has been created for xu4. We hope the community comes back (and the spammers do not). |
For older news see the History page.