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The Dungeons of Moria is a single player dungeon simulation originally written by Robert Alan Koeneke, with v1.0 released in 1983. The game was originally developed in VMS Pascal before being ported to the C language and released as Umoria in 1988. Moria has had many variants over the years, with Angband being the most well known. Moria was also an inspiration for one the most commercially successful action roguelike games, Diablo!

Supported Platforms:

  • Windows
  • macOS
  • Linux (Ubuntu/Debian)

Compiling and limited testing done for:

  • NetBSD 8.1 (with gcc 5.5)
  • Fedora 32

Umoria Restoration Release: v5.7

The main focus of the v5.7 release is to provide support for the three main operating systems: Windows, macOS, and Linux. Support for all other outdated computer systems such as MS DOS, "Classic" Mac OS (pre OSX), Amiga, and Atari ST has been removed.

Note: there are no intentional game play changes in the 5.7.x releases.

A great deal of code restoration has been undertaken in the hope of aiding future development of the game. Examples of refactoring completed so far include reformatting the source code with the help of clang-tidy and clang-format, modernizing the code to use standard C types, and fixing all warnings while compiling against recent versions of GCC and Clang.

Full details of all changes can be found in the CHANGELOG, and by browsing the commit history.

Due to its lack of Windows and Mac support, Moria was unplayable for many people. Hopefully these changes will give more people a chance to play this classic roguelike game.

Notes on Compiling Umoria

At present Umoria has been tested against GCC 7.x, and 8.1, with ncurses 6.x, although recent earlier versions should also work fine. You will require these along with CMake and the C++ build tools for your system.

macOS and Linux

Change to the umoria game directory and enter the following commands at the terminal:

$ cmake .
$ make

To perform an out-of-source build, type the following:

$ mkdir build && cd build
$ cmake ..
$ make

An umoria directory will be created in the current directory containing the game binary and data files, which can then be moved to any other location, such as the home directory.


MinGW is used to provide GCC and GNU Binutils for compiling on the Windows platform. The easiest solution to get set up is to use the MSYS2 Installer. Once installed, pacman can be used to install GCC, ncurses, and the make/cmake build tools.

At present an environment variable for the MinGW system being compiled on will need to be specified. This will be either mingw64 or mingw32.

At the command prompt type the following, being sure to add the correct label to MINGW=:

$ MINGW=mingw64 cmake .
$ make

To perform an out-of-source build, type the following:

$ mkdir build
$ cd build
$ MINGW=mingw64 cmake ..
$ make

As with the macOS/Linux builds, the files will be installed into an umoria directory.

Historical Documents

Most of the original documents included in the Umoria 5.6 sources have been placed in the historical directory. You will even find the old CHANGELOG which tracks all the code changes made between versions 4.81 and 5.5.2 (1987-2008).

If you'd like to learn more on the development history of Umoria, these can make for interesting reading.

There is also the original Moria Manual and FAQ. Although these are a little outdated now, they are certainly worth reading as they contain a lot of interesting and useful information.

Code of Conduct and Contributions

See here for details on our Code of Conduct.

For details on how to contribute to the Umoria project, please read our contributing guide.

License Information

Umoria is released under the GNU General Public License v2.0.

In 2007 Ben Asselstine and Ben Shadwick started the free-moria project to re-license UMoria 5.5.2 under GPL v2 by obtaining permission from all the contributing authors. A year later, they finally succeeded in their goal and in late 2008 the Moria maintainer, David Grabiner, released Umoria 5.6 under a GPL v2 license.

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